Order now

respirators Essay Examples

584 total results

The Dangers of Smoking and the Health Hazards of Second-Hand Smoke (470 words, 2 pages)

Smoking cigarettes and second hand smoke are very dangerous for the human body to endure especially due to the toxins and chemical that comes in each cigarette. To start there is tar, which is sticky and brown, stains teeth, fingernails and lung tissue, while also containing the carcinogen, benzopyrene. Cigarettes ... Read More

The Psychoactive Effects of Marijuana Due to the THC (762 words, 2 pages)

MarijuanaMarijuana (Cannabis) is one of the most fascinating plants when it comes to its ability to alter consciousness. Marijuana is said to have influenced many religious beliefs, works of literature, theatre, art, music and many other fields. Though its use is banned in most American states and most countries, it ... Read More

An Analysis of the Intricate Process of Cellular Respiration (1733 words, 5 pages)

As human beings we often dont realize how hard our human bodies work when it comes to daily processes. Instantaneously, our bodies are able to circulate blood from head to toe, create necessary enzymes to process information, and most importantly the human body goes through the tremendous process of allocating ... Read More

An Experiment Conducted to Examine Whether Natural Selection Can Be Imposed Upon Escherichia Coli (2203 words, 8 pages)

Imposing Natural Selection upon Bacterial ColoniesAbstractThe intent of this experiment is to examine whether natural selection can be imposed upon Escherichia coli. The research question proposes whether Escherichia coli can build resistance against either an antibiotic, streptomycin, or antibacterial, triclosan, over the course of a few months. The experimental set-up ... Read More

An Analysis of the Cannabis in The Botany of Desire: A Plant’s-Eye View of the World (1056 words, 4 pages)

In the book The Botany of Desire A Plants-Eye View of The World, written by Michael Pollen mentions a chapter on cannabis. His primary focus in this chapter is why cannabis should not be forbidden. Pollen starts his argument of the forbidden plant asking, Why should evolution yield plants processing ... Read More

An Analysis of the Symbiosis between Apples and Humans in Michael Pollan’s Book The Botany of Desire: A Plant’s Eye View of the World (2134 words, 7 pages)

In the book, The Botany of Desire A Plants Eye View of the World, Michael Pollan proposes the hypothesis that the apple used its sweetness to mesmerize human beings into propagating it. Many mammals including humans are intoxicated by sugar, and have a very strong desire to consume it. This ... Read More

The Effect of Temperature on the Rate of Fermenting Yeast Fungus (1365 words, 8 pages)

The Effect of Temperature on the Rate of Fermenting Yeast FungusAbstractThe purpose of the experiment is to observe how and by what conditions speed up the rate of the fermenting of the yeast. Fermentation and cellular respiration are the main focus of this lesson here. Four temperatures were used at ... Read More

The Rising Statistics of Teenage Smoking of Flavored Tobacco in the United States (348 words, 1 pages)

More Teens Smoking Flavored TobaccoAs the years press on, the problem of teenage smoking has always been present since it was made illegal. In accordance with this smoking, many teenagers are now turning to flavored cigars as a preferred source of smoking, with flavors like Dreamsicle and chocolate mint. One ... Read More

Smog Pollution as a Consequence of Human Behavior (655 words, 3 pages)

Smog pollution chokes Beijing air. Jason Samenow. January 29, 2013. Retrieved from httpswww.washingto npost.comblogscapital-weather-gang posts mog-pollution-chokes-beijing-air201301292d5a2a48-6a3f-11e2-af53-7b2b2a7510a8blog.htmlThis image was taken in front of Tiananmen Square, which is the most famous architecture in Beijing and showed the current environmental situation in Beijing. Im an international student from China and my hometown is ... Read More

The Chemistry Behind Cellular Respiration (657 words, 3 pages)

The Chemistry Behind Cellular RespirationBiology and Chemistry, although separate courses, they are one of the most intertwined disciplines taught within the scientific community. They co-exist in a symbolic relationship. If we look specifically at the mitochondria of the cell we can see the chemistry behind the process of Cellular Respiration. ... Read More

The Three Ways in Which Cellular Respiration Could Be Measured (816 words, 4 pages)

IntroductionThere are three ways cellular respiration could be measured. Consumption of O2 (How many moles of oxygen are consumed in cellular respiration?)Production of CO2 (How many moles of carbon dioxide are produced by cellular respiration?)Release of energy during cellular respiration.ProblemIn this experiment, the relative volume of O2 consumed by germinating ... Read More

An Experiment Conducted to Determine the Productivity of Photosynthesis of Elodea Under Different Colors of Light (5738 words, 18 pages)

QuestionHow will the productivity of photosynthesis for Elodea change under different colors of light?Note What is meant by productivity in this investigation is the relative number of reactions in photosynthesis which produce oxygen, measureable by comparing how much dissolved oxygen is extracted from the environment for use in cellular respiration ... Read More

The Study of the Effects of Sucrose on the Growth of Fungus in a Growth Medium (5538 words, 18 pages)

BackgroundFungal spores have a ubiquitous presence in the environment. Several factors foster their growth, including an abundance of moisture and supply of organic substances (carbon atoms). Additionally, like most other organisms fungi use sugar (specifically glucose) to create ATP during cellular respiration. This leads to the idea that more sugar ... Read More

An Introduction to the History and the Issue of Global Warming (1411 words, 6 pages)

Saving The Environment One Light Bulb at a Time The scientifically accepted and researched phenomenon known as "Global Warming" has been frequently talked about in the last few decades in the media, political debates, etc. Facts are unquestionable we, humans, are placing a large toll on the environment as a ... Read More

An Analysis of the Process of Photosynthesis in Plants (1370 words, 5 pages)

Photosynthesis and Respiration LabINTRODUCTIONCellular respiration is the process in which a fuel source is broken down to create energy for the cells. The fuel source most commonly used is glucose as the energy harvested comes from their C-H bonds the energy that is harvested is called ATP. The end products ... Read More

An Examination of the Process of Photosynthesis (995 words, 6 pages)

Photosynthesis consumes carbon dioxide and produces oxygen as a byproduct IntroductionPhotosynthesis is the process where organisms, such as plants, convert solar energy into chemical energy that will then be used as sugar to fuel the organism. The process takes place when carbon dioxide and water is taken in to produce ... Read More

The Two Exchange Systems that Alter the CO2 Concentration of the Atmosphere (847 words, 1 pages)

How is it possible for organisms to alter the carbon dioxide concentration of the atmosphere? It is through two exchange systems that it is possible for organisms to alter the carbon dioxide concentration of the atmosphere. First, the land-based or terrestrial exchange system by which carbon is exchanged between land ... Read More

An Analysis of the Effects of Altitude on Human Physiology (3447 words, 5 pages)

THE EFFECTS OF ALTITUDE ON HUMAN PHYSIOLOGY Changes in altitude have a profound effect on the human body. The bodyattempts to maintain a state of homeostasis or balance to ensure the optimaloperating environment for its complex chemical systems. Any change from thishomeostasis is a change away from the optimal operating ... Read More

The Greenhouse Effect (1065 words, 2 pages)

The Greenhouse Effect The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. The glass lets the sun light in to make heat but when the heat tries to get ... Read More

More Organizations Pursuing Legalization of Euthanasia in America (607 words, 1 pages)

Euthanasia may be defined as the action of killing an individual for reasons consideredmerciful. Euthanasia can be asserted many different ways. A family member, a friend, or aphysician could do the killing. The individual may die from the result of omitting life-savingdevices, such as respirators, from omitting life-saving medicines, or ... Read More

Definition and Causes of Hibernation (1801 words, 2 pages)

Hibernation Definition Hibernation is an inactive, sleep like state that animals must go and at least one bird enter during the winter. Animals that hibernate shelter themselves from harsh winter and reduce their need for food. Their body temperatures are considerably lower, as well as their heartbeat and breathing. The ... Read More

The Need for Balance and Its Psychological Effect on Human Body (3695 words, 5 pages)

THE EFFECTS OF ALTITUDE ON HUMAN PHYSIOLOGY Changes in altitude have a profound effect on the human body. The body attempts to maintain a state of homeostasis or balance to ensure the optimal operating environment for its complex chemical systems. Any change from this homeostasis is a change away from ... Read More

An Analysis of the Outdoor First Kit (529 words, 1 pages)

outdoor first kit When someone is injured or suddenly becomes ill, there is usually a critical period before you can get medical treatment and it is this period that is of the utmost importance to the victim. What you do, or what you don't do, in that interval can mean ... Read More

The Phenomenon of Sleep Paralysis Baffled Many Scientists (799 words, 2 pages)

Did you ever awaken and find yourself unable to move? Perhaps you sensed a presence in your room or a pressure on your chest. This is sleep paralysis. It is a common disorder that affects millions of people. Most believe it occurs as we are on the edge of REM ... Read More

Moral Issues of Euthanasia Legalization and How Its Misuse Can Send a Wrong Message about Aging, Dying and Suffering (1127 words, 2 pages)

Euthanasia, the act of relieving the prolonged pain and suffering of terminally ill patients by inducing death, has been the subject of controversy for sometime. Dying with dignity, the kind of end we hope for ourselves as well as others, has in some ways become more difficult. With the advancements ... Read More

An Analysis of the Second Law of Thermodynamics and Its Use (1437 words, 3 pages)

AbstractThe purpose in experimenting with computer simulations was to compare oxygen consumption rates in different mammalian subclasses. We compared monotremes, marsupials, and placental mammals at both warm and cold temperatures. The results supported our hypothesis that when temperature increased, metabolic rate decreased. This was also supported using a students t-test. ... Read More

Factors Affecting Humpback Whales Annual Migration From Southeast Alaska to Hawaiian Islands (665 words, 4 pages)

1. IntroductionHumpback whales (Megaptera novaeangliae) annually migrate from their summerfeeding grounds off southeast Alaska to winter in waters off the HawaiianIslands, Baja California Sur, Mexico and northern Japan (Baker andDarling). The number of humpback whales in the Hawaiian waters generallypeaks from mid-February through mid-March ( Baker Herman, 1984). Calvingand breeding ... Read More

An In-Depth Overview of the Process of Photosynthesis in Plants (1526 words, 6 pages)

IntroductionThe environment can be defined as the surroundings in which as organism lives, including the climate, the physical and chemical conditions of its habitat and its relationship with other living things.Given the above understanding, it is therefore important that the right environment factors are in existence for some chemical reactions ... Read More

The Negative Effects of Smoking to Smokers and Nonsmokers (786 words, 2 pages)

SmokingIt is a universally accepted fact that smoking cigarettes or tobacco is detrimental to your health. There is an endless list of health problems that are directly caused or affected by smoking, including lung cancer, heart disease, stroke, and emphysema.Short-term effects of smoking include a significant increase in heart rate ... Read More

An Analysis of the Carbon Cycle and Its Importance to the Environment (1126 words, 2 pages)

The carbon cycle deals with the interaction of carbon between living organisms and the nonliving environment. This cycle is a process through which all carbon rotates. The main result of the carbon cycle is to serve as a great natural "recycler" of carbon atoms.The cycle works in a very basic ... Read More

Published: Friday 25th of January 2013