Oxygen

The Challenger Tragedy
The Challenger Tragedy
The Challenger Tragedy Introduction to the Accident It was a clear sunny day at Kennedy Space Center in Florida with a temperature of 36 degrees which was 15 degrees cooler than NASA has ever sent a shuttle to space. Aboard the space shuttle was a civilian school teacher which made the Challenger such a publicized event. After being delayed five times from bad weather the Challenger was schueled to be launched at 11:38 AM Eastern Standard time on January 28, 1986. Seventy-three seconds after lea
Plant Cell
Plant Cell
Plant Cell I am your usual plant cell. There are trillions of my kind on all plants, grass, and trees. My breed ranges from ten to a hundred micrometers. I am approximately twenty micrometers since I dwell in grass. My organelles stretch out to one to ten micrometers. If you are asking what I really do and how I live, I am going to answer them in this paper. First off, any cells requires a structure, metabolism, energy, nutrients, waste, and communication. I am more complex than most other cells
Resuscitation From Severe Hemorrhage
Resuscitation From Severe Hemorrhage
Resuscitation from Severe Hemorrhage The resuscitation after severe hemorrhage is a very delicate process which involves many biological factors with a very small time window. To successfully revive a victim of severe exsanguination, one must work quickly within the golden hour time limit. In this time period, there are various trauma that must be avoided; cardiac arrest, hypotension, hemorrhagic shock, and hypothermia to name a few. This article encompasses the current technology for resuscit
Bacteria
Bacteria
Bacteria Bacteria are often maligned as the causes of human and animal disease (like this one, Leptospira, which causes serious disease in livestock). However, certain bacteria, the actinomycetes, produce antibiotics such as streptomycin and nocardicin; others live symbiotically in the guts of animals (including humans) or elsewhere in their bodies, or on the roots of certain plants, converting nitrogen into a usable form. Bacteria put the tang in yogurt and the sour in sourdough bread; bacteria
Free: Is There Such A Word?
Free: Is There Such A Word?
Free: Is there Such a Word? Today, no matter what you do, you need money to do it. Right? Right! Shop. Travel. Make a phone call. You even need to spend money in order to make money. Money is real. People seem to be under the assumption that information wants to be free and that by enabling people to learn and follow their own interests will benefit society as a whole. Well, we no longer believe in society as a whole. We believe in the economy as a whole - a black hole! Why should you be able to
Beowulf-Christianity Or Paganism
Beowulf-Christianity Or Paganism
Beowulf-Christianity or Paganism Beowulf was written in England sometime in the 18th century. This provides us with an idea of a poem that was written during a time when the society had converted from paganism to Christianity(Cohen 138). We know that paganism did exist alongside Christianity during the approximate era that Beowulf was composed(Hall 61). The Christian influences were combined with early folklore and heroic legends of dramatic tribes, early Beowulf scholars began to investiga
The Theory Of Evolution
The Theory Of Evolution
The Theory of Evolution The theory of evolution, as set forth by Charles Darwin in 1859, stated that all plant and animal life evolved over long periods of time from simple to more complicated forms through mutation and adaptation. He also taught that only the fittest of each species would survive. He further postulated that the first living cell evolved in a warm warm little pond and that it took billions of years for the present diversity of living things to evolve. At the time, it was thoug
The Enviromnetal Degradation As A Result Of Overpopulation
The Enviromnetal Degradation As A Result Of Overpopulation
The Enviromnetal Degradation as a Result of Overpopulation 1 Introduction There are simply too many people on our planet, and the population is not showing any signs of slowing down(see Figure 1). It is having disastrous effects on our environment. There are too many implications and interrelationships to discuss in this paper, but the three substances that our earth consists of: land, water and air, are being destroyed. Our forests are being cut down at an alarming rate, bearing enormous impact
Aplastic Anemia
Aplastic Anemia
Aplastic Anemia Aplastic anemia is a disease of the bone marrow? the organ that produces the body's blood cells. Approximately two thousand people in the U.S. are diagnosed each year with aplastic anemia. The symptoms of aplastic anemia are fatigue, bruising, infections, and weakness. Although these symptoms are much like those associated with leukemia, aplastic anemia is not a form of cancer. In patients with aplastic anemia the bone marrow stops producing, or produces too few red blood cells,
Creationism Vs. Evolution
Creationism Vs. Evolution
Creationism vs. Evolution In my short life on this planet I have come to question things that many take upon blind faith. We all know that we must some day die; yet we continuously deny the forces at work inside ourselves, which want to search out the answers of what may or may not come after. It is far easier for humanity to accept that they will go to a safe haven and be rewarded for their lives with pleasures and fantasies of an unfathomable scale than to question the existence of a supposed
HYPERTENSION
HYPERTENSION
HYPERTENSION ************************************************************** Blood pressure Blood pressure is the force with which your heart pumps blood through the body. Occasional increases in blood pressure levels are not unusual. Hypertension Hypertension is high blood pressure. When heart beats (contracts and relaxes) it pumps out a certain volume of blood. The maximum arterial pressure, measured in mm Hg, determines the systolic reading and the lowest reading of this pressure is called t
The Greenhouse Effect
The Greenhouse Effect
The Greenhouse Effect The greenhouse effect is an increase in the atmospheric temperature caused by increasing amounts of greenhouse gases. These gases act as a heat blanket insulating the Earth's surface absorbing and trapping heat radiation which normally escapes from the earth. They include carbon dioxide, water vapor, methane, nitrous oxide, CFC's, and other halocarbons. The earth's atmosphere goes through two processes constantly. Global cooling is the first process. This process uses the c
The Trail Of Tears
The Trail Of Tears
The Trail of Tears We are now about to take our leave and kind farewell to our native land, the country that Great Spirit gave our Fathers, we are on the eve of leaving that country that gave us birth? it is with sorrow we are forced by the white man to quit the scenes of our childhood?we bid farewell to it and all we hold dear. This is the way that Cherokee Vice Chief Charles Hicks described, in 1838, the emotions that must have been felt after the mistreatment and the abuse that was wrought
Plants
Plants
Plants Life science 7th grade Jr high Chapter 1 Plants are the basis of the food pyramid for all living things, even other plants. They have always been very important to people, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter and a great many other purposes. Both humans and animals benefit from plants. We eat many different types of plants such as fruits and vegetables. We also use plants for our herbs. Plants are also used to manufacture many different produc
Analysis Of The Chernobyl Meltdown
Analysis Of The Chernobyl Meltdown
Analysis of the Chernobyl Meltdown On April 1986, Soviet's Union Chernobyl nuclear plant exploded letting out a massive amount of radiation that would debate of all Russian citizens for hundreds of years to come. At exactly 1:21 am. on April, 1986 inChernobyl, a city near the Pripiat River the No. 4 reactor exploded and released thirty to forty times the radiation of the Nagasaki and Hiroshima bombing. The exact causes of the explosion are not known , however scientists and researchers, under th
Peru
Peru
Peru The first day in Cusco Peru, was one of the worst days of my hole entire life. First of all it has been a 48 hour day with naps here and there,but that was not the worse part of it all. Being at 12,000 feet above sea level gave all of us horrible altitude sickness. Altitude sickness is caused by the little amount of oxygen in the air, witch does not let your body get all of the oxygen that you need. By not getting all of the oxygen you feel queasy, tired, dehidraded, and much more. It was h
Ernest Rutherford
Ernest Rutherford
Ernest Rutherford Rutherford was born on August 30, 1871, in Nelson, New Zealand. He was educated at the University of New Zealand and the University of Cambridge. He was a professor of physics at McGill University in Montreal, Quebec from 1989 to 1907. He was also professor at the University of Manchester in England. After 1919 he was professor of experimental physics and director of the Cavendish Lab at the University of Cambridge moreover held a professorship, after 1920, at the Royal Institu
Lithosphere
Lithosphere
Lithosphere Notes on the lithosphere- (rock sphere) Upper most part is crust of earth. Compiled of rocks of outer crust. Outermost shell. Upper part- rocks we see at and near the earths surface. Crust is 5 to 10 km thick under most oceans and 24 to 60 km thick under the continents. The lithosphere under the crust is solid, dense material. (more dense than surface materials). Lithosphere 100-200 km. Notes on the aesthenosphere- zone beneath the lithosphere. Thick like tar. Weak because of high te
DNA Structure
DNA Structure
DNA Structure DNA is a double stranded molecule twisted into a helix. Each spiraling strand is comprised of a sugar phosphate backbone and attached bases connected to a complimentary strand. The complimentary strand is connected by non-covalent hydrogen bonding between paired bases. The bases are adenine, thymine, ctyosine, and gaunine. The fundamental building block of DNA is the nucleotide. The nucleotide has three parts. A nitrogen-containing pyrimidine or purine base, a deoxyribose sugar, an
Active Transport
Active Transport
Active Transport Since the cell membrane is somewhat permeable to sodium ions, simple diffusion would result in a net movement of sodium ions into the cell, until the concentrations on the two sides of the membrane became equal. Sodium actually does diffuse into the cell rather freely, but as fast as it does so, the cell actively pumps it out again, against the concentration difference. The mechanism by which the cell pumps the sodium ions out is called active transport. Active transport require
Coronary Heart disease
Coronary Heart disease
Coronary Heart disease Coronary Heart Disease Coronary heart disease is one of the vast killer diseases in many countries, (up to 500,000 Americans die every year from coronary heart disease). It is a chronic illness involving the narrowing of the arteries and vessels that supply the heart with oxygen and glucose. As a result of insufficient amounts of oxygen reaching the heart, associated health risks such as chest pains known as Angina and heart attack can be produced. One of the major causes
Nitrogen
Nitrogen
Nitrogen Nitrogen, symbol N, gaseous element that makes up the largest portion of the earth's atmosphere. The atomic number of nitrogen is 7. Nitrogen is in group 15 (or Va) of the periodic table. Nitrogen was discovered by the British physician Daniel Rutherford in 1772 and recognized as an elemental gas by the French chemist, Antoine Laurent Lavoiser about 1776. Nitrogen is a colorless, odorless tasteless, nontoxic gas. It can be condensed into a colorless liquid, which can be compressed into
Nutritional Facts
Nutritional Facts
Nutritional Facts The first nutritional fact most Americans learn is that iron builds strong and healthy bodies.1 The beef lobby, cereal manufacturers, bread makers, and drug companies have bombarded the public with iron being the cure-all for fatigue and iron-poor blood. People have been mislead by drug companies pushing iron supplements and by old-fashioned ideas about iron, the magical nutrient of strength. Even the cartoons of the past pushed iron as the secret ingredient in Popeye's spi
RAINFOREST DESTRUCTION
RAINFOREST DESTRUCTION
RAINFOREST DESTRUCTION ?This we know- the earth does not belong to man, man belongs to the earth. All things are connected like the blood which unites one family. Man did not weave the web of life; he is merely a strand in it. Whatever he does to the web, he does to himself.? ?Chief Sealth of the Duwamish Tribe. (Nations,108). Rainforests are some of the most valuable resources we have, yet they are being destroyed in massive proportions. Many medicines, foods, natural insecticides and oil prod
INTERNAL-COMBUSTION ENGINE
INTERNAL-COMBUSTION ENGINE
INTERNAL-COMBUSTION ENGINE INTRODUCTION Internal Combustion Engine, a heat engine in which the fuel is burned ( that is, united with oxygen ) within the confining space of the engine itself. This burning process releases large amounts of energy, which are transformed into work through the mechanism of the engine. This type of engine different from the steam engine, which process with an external combustion engine that fuel burned apart from the engine. The principal types of internal combustion
Carbohydrates
Carbohydrates
Carbohydrates INTRODUCTION A theme that we have seen and studied in this class is that a particular form or structure of a molecule plays a significant role in the function of that molecule. Since we are interested in the function of molecules. it helps to study their structure. One of the major classes of organic compounds found in cells are carbohydrates. These carbohydrate are made of carbon, hydrogen, and oxygen in a ratio of 1:2:1 respectively with a general formula of X(CH2O)n. When the ca
Biotics Components Paper
Biotics Components Paper
Biotics Components Paper Biotic Components Paper Daric Grant University of Phoenix SCI/256 Michelle Orzech December 6, 2011 Biotic Components Paper A natural ecosystem is the complex of a community and its environment functioning as an ecological unit in nature (Webster, 2011). The ecosystem consists of several different functional systems or units that include natural organisms within that environment (Jones, 2008). If natural resources did not exist such as water, plants and the ability to gro
THE DESTRUCTION OF MAN KIND
THE DESTRUCTION OF MAN KIND
THE DESTRUCTION OF MAN KIND We know there will be problems in environmental terms, many serious problems, but it is a matter of economics. There won't be any complete disaster, and what we cannot solve, well, that's the price we have to pay. - Eduardo Albuquerque Barbosa There is a constant war that is being fought in the rainforests of South America. The death toll is one that far surpasses any other war in history. Vietnam and World War II had minimal loss of life compared to this never endi
WATER: OUR RESPONSIBILITY
WATER: OUR RESPONSIBILITY
WATER: OUR RESPONSIBILITY WATER: OUR RESPONSIBILITY Hi! It’s been so accommodating going there back from my seat, to here facing purposely excited with you all who are present here in this hall. To my friends, to some familiar faces there on the sides, to all trainers and teachers, to DWD members and staff, I’d like you to join with me in some sort of a chitchat but lengthy talk about my thoughts and experiences and I require you to think the way my age does. First is I’m going to spare one piec
BIODIVERSITY
BIODIVERSITY
BIODIVERSITY Running head: BIODIVERSITY 1 Biodiversity Name Institution BIODIVERSITY 2 Biodiversity Biodiversity refers to the range of existing animals, microorganisms and plants in the environment, the genes possessed and the ecosystems they occupy (Bruce & Jonathan, 2000). Biological diversity binds all organisms into an interdependent ecosystem where every species has a role in this web of life. While biodiversity remains significant to the survival of species, human activities are profoundl
Nursing Assignment 1
Nursing Assignment 1
Nursing Assignment 1 FACULTY OF NURSING AND ALLIED HEALTH SCIENCES RESEARCH METHODOLOGY NMNR5103 ASSIGNMENT 1 Discuss the integration of research findings and other forms of evidences to transform nursing practice. Current semester: January 2015 Date of submission: 07/03/2015 INTRODUCTION Nursing knowledge plays a key role in the nursing practice revolution. Major challenges are to select the 'right' knowledge from various sources and transform it into expedient knowledge. Knowledge defined as
Amylase, Catalase and Invertase Enzyme Labs
Amylase, Catalase and Invertase Enzyme Labs
Amylase, Catalase and Invertase Enzyme Labs IB Biology SL Y1 22 April 2014 Amylase, Catalase and Invertase Enzyme Labs Introduction Catalase Catalase is responsible for converting hydrogen peroxide1, which is harmful within living organisms, into water and oxygen molecules. This experiment investigates the effect of hydrogen peroxide on boiled and raw materials such as potatoes, liver, yeast cells, etc. If boiled materials were put into hydrogen peroxide, there would be no significant enzymatic
Investigating an enzyme controlled reaction: catalase and hydrogen per
Investigating an enzyme controlled reaction: catalase and hydrogen per
Investigating an enzyme controlled reaction: catalase and hydrogen peroxide concentration Objectives • to investigate the effect of substrate concentration on the activity of catalase • to evaluate a practical protocol Procedure SAFETY: Wear eye protection and protect clothing from hydrogen peroxide. Rinse splashes of peroxide and pureed potato off the skin as quickly as possible... Investigation a Use the large syringe to measure 20 cm3 pureed potato into the conical flask. b Put the bung secur
Enzymatic Reaction in a Reaction
Enzymatic Reaction in a Reaction
The purpose of this part of the experiment is to find out the course of an enzymatic reaction in a reaction. In order to do this, a measurement of the amount of substrate disappearing over time increments of 10, 30, 60, 90, 120, 180, and 360 seconds had taken. In this experiment we see that as time progressive the enzymatic rate lowered. The highest rate is the first in the first time interval (0-10) . It was the highest because iit had the highest catalysis amount and the most amount of H2O2 to
CATALASE AND THE DECOMPOSITION OF H2O2
CATALASE AND THE DECOMPOSITION OF H2O2
NAME : CLASS : DBT 4A DATE SUBMITTED : 14 AUG 2015 EXPERIMENT 4: CATALASE AND THE DECOMPOSITION OF H2O2 (VIRTUAL) PROCEDURE 1. Fill the beaker with water and 5ml of hydrogen peroxide. 2. Pipette 1ml of catalase enzyme into the beaker. 3. After 10 seconds, add sulfuric acid into the beaker. 4. Using titration method, check the presence of hydrogen peroxide in beaker. 5. Fill the burette with 5ml of potassium permanganate ( KMnO4). 6. Add KMnO4 drop by drop into the beaker until the H2O2 become pu
Ardet Roma
Ardet Roma
Ardet Roma. 2.3 Internal. 12LSO The Great fire of Rome was a devastating fire that began on the night, between the 18th and 19th of July in 64 AD. The fire lasted for 6 days and died down but reignited again for 3 days. This event is significant to the classical world, as 3 districts were entirely destroyed, 7 suffered serious damage and only 4 districts survived, only after 10 years since Nero became Emperor of Rome. At least two thirds of the city was ruined. Following the fire, a rebuilding p
Topic 2 IB TB questions and answers
Topic 2 IB TB questions and answers
The answers/markschemes are below each question. You can reorganize the document so that you do not see the answer/markschemes when you answer the questions. 1. Outline the process of endocytosis. (Total 5 marks) (Annotated diagram illustrating the process may be used to gain some or all the marks.) the mechanism whereby cells take in solids and / or solutions; involves the formation of vesicles; infolding of cell membrane; called phagocytosis when solids / organisms are engulfed; phagocytosis i
The Effect of Different Substances on  the Freezing Point of Water
The Effect of Different Substances on the Freezing Point of Water
The Effect of Different Substances on the Freezing Point of Water Period 4 January 19, 2012  The Effect of Different Substances on the Freezing Point of Water Introduction Water is essential for all life on Earth and covers 70% of the Earth surface. Water is a chemical substance composed of two hydrogen atoms bonded to one oxygen atom. Its chemical formula is H2O. Pure water is transparent, colorless and odorless. Water is mostly seen as liquid. However water can be found in all three states o
Rugby Assignment
Rugby Assignment
Rugby Assignment Question 1: What were the short term physiological changes happening to your body and how did this effect the way you run? 5 short term responses that occur after exercise: -Heart rate increase -Breathing rate increase -Skin colour change -Occurring of perspiration/sweat -Muscle soreness An increase of heart rate occurs because there are higher demands required achieve do the set activity. When physical activity is attempted the requirements of oxygen to the muscles are increase
Type of Ecosystem: Aquatic and Terrestrial Nature Area
Type of Ecosystem: Aquatic and Terrestrial Nature Area
Type of Ecosystem: Aquatic and Terrestrial Nature Area Species of Producers in the Ecosystem, All biological organisms play a part in the earth's ecosystem, but producers make energy on their own. Grass, Algae and maple trees are a group of producers of which we have a abundant amount of. Because of this self-sustaining organism that obtains its energy from the sun, our consumers. Producers are the only sources of energy for primary consumers as they (primary consumers) cannot prepare their own
Alterations in Renal Function quiz
Alterations in Renal Function quiz
Week 4 : Alterations in Renal Function - Quiz 4 Time Remaining: Page 2 Question 1.1. What is the ratio of coronary capillaries to cardiac muscle cells? (Points : 2) 1:1 (one capillary per one muscle cell) 1:2 (one capillary per two muscle cells) 1:4 (one capillary per four muscle cells) 1:10 (one capillary per ten muscle cells) Question 2.2. Which cytokines initiate the production of corticotropin-releasing hormone (CRH)? (Points : 2) IL–1 and IL-6 IL-2 and TNF-a IFN and IL-12 TNF-ß and IL-4 Qu
What could be the causes of this tingling sensation?
What could be the causes of this tingling sensation?
1. What could be the causes of this tingling sensation? Tingling is a common symptom of anxiety. The patient is probably over breathing which is a form of hyperventilation which means that the person is breathing too shallow or breathing too quickly or too much and from his chest rather than his diaphragm without realizing it. A person can hyperventilate himself without realizing he is doing so. 2. What are the various patterns of respiration and their significance? Fig. Four types of breathing
Anemia Case Study
Anemia Case Study
Running Head: Anemia Case Study Anemia Case Study Name: Institute: Date: Case Study #1 Ms. A has breathlessness, lethargy, light-headedness, tachycardia, tachypnea and hypotension. She is suffering with menorrhagia and dysmenorrheal for ten to twelve years and taking aspirin to relieve menstruation pain as well as to avoid joint stiffness while playing golf. Her laboratory values shows low Hemoglobin=8g/dl (Normal value 12-15.2gm/dl in female), Low Hematocrit = 32% (Normal value- 37-46% in fema
Biotechnology
Biotechnology
Biotechnology: The way we use living organisms to producer useful substances. • Many traditional foods, like bread and cheese, are products of biotechnology. • Microbes can reproduce and convert raw materials into products very quickly. • Many foods, like yoghurt and soy sauce, are products of fermentation technology. • Fermentation is the key reaction in many biotechnological processes. • Plants continue to act as a source of drugs of important medicinal value. Mr. Salman Al-Kofahi Biotechnolog
Oxy-Hydrogen Generator
Oxy-Hydrogen Generator
Oxy-Hydrogen Generator January 30 2016 By Naim Al-Haj Ali, Zeyad Bustami, Karim Tahamouka, Kareem Hijazi, and Ali Qassab Water Into Fuel  Introduction: The generator separates hydrogen and oxygen from water; it uses electrolysis, which is “the passage of an electric current through an electrolyte with subsequent migration of positively and negatively charged ions to the negative and positive electrodes” (electrolysis, 2016). An electrolyte is “a melted or dissolved compound that has broken apar
Differentiating Between Market Structures Table an
Differentiating Between Market Structures Table an
Differentiating Between Market Structures Table and Paper February 2, 2012 In this executive summary, we will look at the differentiating between market structures. We will start by comparing and contrasting public goods, private goods common resources, and natural monopolies. How labor market equilibrium is affected by the supply and demand of labor. Looking at different market structure and the effectiveness of the structure for an organization Competition, Oligopoly, Monopolistic and Monopol
Energy and Life
Energy and Life
Energy and Life • Plants and some other type of organisms are able to use light energy from the sun to produce food. • Organisms such as plants, which make their own food, are called autotrophs. • Other organisms, such as animals, cannot use the sun’s energy directly, these are known as heterotrophs. They obtain energy from the foods they consume. • One of the principal chemical compounds that living things use to store energy is adenosine triphosphate (ATP). • • The energy released when ATP is
Multi Media Task: Part ATable A: Organs of the dig
Multi Media Task: Part ATable A: Organs of the dig
Multi Media Task: Part ATable A: Organs of the digestive system and their functions Organ of the digestive system Physically help the digestive system Chemically help the digestive system digests foods Other Tasks Mouth The mouth mechanically breaks down the food by using mastication. The tongue rolls the food within the mouth making the mastication process fast and easier, it also breaks the food creating a larger surface area for the salivary amylase to then react to. The saliva within the mo
Senior Paper
Senior Paper
Moises Olivas Mrs.Baltajian Senior English 1 9 March 2016 Senior Paper In today’s society the misuse of technology is very important. It changes the way people live and how some people view the world today. Brave New World is a novel based on the misuse of technology, in the novel they made humans in a lab and that’s how the world worked. Aldous Huxley the author of the novel wrote this book in 1931. Huxley wrote this book to show the change in society and show the manipulation that was going on
A Bone to Pick
A Bone to Pick
Kayla Cardwell ARTH 2010-W91 Amy Evans 11-10-15 A Bone to Pick The catacombs walls are very structured in they way they were built, the walls hold a lot of history, and the catacombs today are a very large tourist attraction. The Catacombs are located in Paris, France. Paris is not all about romance and love. Paris’ medieval vibe was once overwhelming. By the seventeenth century it was in fact, so overwhelming that there were literally dead bodies filling the streets. They then had the idea to m