range of shapes‚ ranging from spheres to rods and spirals. Bacteria are ubiquitous in every habitat on Earth‚ growing in soil‚ acidic hot springs‚ radioactive waste‚[2] water‚ and deep in the Earth’s crust‚ as well as in organic matter and the live bodies of plants and animals. There are typically 40 million bacterial cells in a gram of soil and a million bacterial cells in a millilitre of fresh water; in all‚ there are approximately five nonillion (5×1030) bacteria on Earth‚[3] forming a biomass on
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The Effects of Caffeine on the Human Body I. In a quote by Eddie Vedder‚ I read "Caffeine‚ the Gateway drug." Around 90 percent of Americans consume caffeine every single day in one form or another. Consuming as little as 100 mg of caffeine a day can lead a person to become "dependent" on caffeine‚ yet it is legal and unregulated in many jurisdictions. Making it the most popular drug by far. In this speech I am going to explain how caffeine affects the Human body. II. Caffeine is believed to work
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The human body is a remarkable species‚ capable of doing some of the most amazing things known to man. It requires a lot of energy and the organisms that make it up constantly have a task to perform. One of the most important functions in the human body is called cellular respiration. It is defined as a process in which cells take the food humans ingest and turn it into energy that can be used by the body in the form of ATP‚ also known as‚ adenosine triphosphate. The creation and distribution of
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Kidney The human body is a wonderful thing. It ’s not everyday that one takes a second to ponder about all of the wonderful things the human body can do. The brain helps us to be the most intelligent beings on earth. Our hearts beat to keep us alive. What about the kidneys? People typically do not think about what they do for us or consider them one of the human ’s most amazing organs. What if humans only had one kidney? Would there be any disadvantages compared to the typical human with two kidneys
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are‚ they are any fluid that conducts electricity. In the human body‚ there is several very known electrolytes and every one of those electrolytes serve an incredible purpose. Most are in some way responsible for maintaining the balance between the intracellular and extracellular environment. Sodium is absolutely an essential electrolyte for the proper function of humans. It is in control for monitoring the total amount of water in the body. It is also significant in regulating blood volume and upholding
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in the human body highest? Infancy 2. In elderly individuals‚ 75% of body weight is made up of fluid. True False 3. When comparing two individuals of the same body weight‚ the one with more muscle and less fat will have a higher percentage of fluid in their body. 4. When comparing a lean adult female to a lean adult male‚ which will most likely have a higher percentage of body fluid? The Male 5. Fluid imbalances are more common in individuals with a _________ percentage of body fluid.
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Animals have such an important role in the world; without animals humans would not be able to survive. If one type of species becomes extinct‚ it would affect one link in the food chain. Humans underestimate animal intelligence‚ their capabilities‚ and their importance. Evolution has changed how humans and animals interact with each other. Charles Darwin brought the idea of evolution to the world and the theory survival of the fittest‚ and recognized animal consciousness (Page‚ 9). He looked at
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"The Tower Pig." The story is set behind‚ and outside‚ the walls of the Thomaston Penitentiary in present day America. The story essentially revolves around a young man who suffers the hardships of imprisonment in an American correctional facility. The protagonist is throughout the tale addressed only by his surname‚ Caine. Caine expresses incomprehensible anger he feels for one of the wardens‚ an outcast despised by colleagues and inmates alike‚ and who is commonly known as "The Tower Pig" by all
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dehydration as long as sports have existed. Gatorade’s ad is very convincing and influential‚ and they do this by explaining the most obvious effect in the human body after any kind of physical activity‚ dehydration. Dehydration’s definition is when the body lose large amount of water‚ however water isn’t the only thing that is lost in the human body. Since 1965‚ gatorade has evolved from being just water to sports drink and the image that enhances athlete’s performances‚ and the games haven’t been the
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neurotransmitters that affect humans differently. The brain uses these neurotransmitters to create different feelings and emotions within humans. A deficiency in these neurotransmitter causes problems with nerve impulses that can lead to depression. There are many drugs that can intentionally change these normal chemical processes in our brain to maintain the feeling of happiness; however‚ these drugs are extremely dangerous to the human body and are unhealthy for humans. `The brain is a complex organ
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