consume caffeine every day of the year. Caffeine is the ingredient that makes the public crave coffee‚ soda‚ chocolate and many other caffeine-carrying products. Americans consume about 45 million pounds of caffeine each year. In the United States‚ coffee drinkers drink an average of 2.6 cups per day. Total caffeine intake for coffee drinkers was 363.5 mg per day - this includes caffeine from coffee and other sources like soft drinks‚ food and drugs. Non-coffee drinkers get plenty of caffeine as well:
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How does Caffeine affect the human body? Caffeine is the world’s most popular drug (Spiller‚ 1998)‚ and can be found in over 60 species of plants throughout the world. Consumption of caffeine comes from cola‚ coffee‚ cocoa‚ tea‚ some medications and so much more. In this paper I will describe the effects of caffeine on the human body‚ from the health risks to how it can help your body; here are just some of the ways caffeine affects the human body both physically and psychologically. First of
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Description To investigate the effect on caffeine on heart rate of water fleas and to understand the risk of high level consumption of caffeine to the health of the human circulatory system and nervous system. Preview Diagram 1: Chemical structure of caffeine Image source: http://ismaastricht.wikispaces.com/file/list The images above show the chemical structure of caffeine which has a chemical formula of C8H10N4O2. Caffeine was named by the International Union of Pure and Applied Chemistry
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Introduction The aim of this experiment was to determine the effect of caffeine on resting body temperature. This has to do with homeostasis‚ which is the maintenance of equilibrium. In other words‚ it is a stable body state. Homeostasis refers to the process of keeping the internal body environment in a steady state‚ when the external environment is changed (Homeostasis 2). Humans are warm-blooded creatures that generate body heat internally and maintain body temperatures at a fairly constant level
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Science Fair Research Paper How Caffeine effects plant growth. I decided to base my project on the effects Caffeine has on plants. I choose three different Basil herb plants and will water them with a little‚ medium and large amounts of Caffeine to determine the effects that Caffeine has on the plants. What is Caffeine??? Caffeine is found in seeds‚ leaves and the fruits of some plants‚ where it acts as a natural pesticide. Humans mostly extract Caffeine from the bean of the coffee plant and
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Effec | Effect of caffeine on plant growth | Description This science fair project was performed to find out the effect on plant growth of adding caffeine to the soil. The experiment was done by using mung bean plants and watering them daily with water‚ water mixed with caffeine and with a coffee mixture. Hypothesis The mung beans watered using the coffee mixture will grow the fastest. Overview Caffeine and plant growth The effect of adding caffeine to the soil and its effect on plant
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Caffeine is a drug that helps people stay awake or alert. It is also known as trimethylxanthine‚ a naturally occurring chemical stimulant. The formula for caffeine is C8H10N4O2. It shares several traits with famous drugs like amphetamines‚ cocaine and heroin. It uses the same biochemical mechanisms as these drugs to stimulate brain function. Caffeine has its benefits‚ but it also has several draw backs. In this paper‚ we will explore these and come up with an answer to “is it worth it?” Adenosine
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Stage 1 Psychology Research Report Affects of caffeine on reaction time Proposal: Caffeine is used by many people to increase their energy levels. It alters an individual’s alertness and their reaction time. Though the most common form of caffeine is coffee‚ it can also be found in certain soft
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Introduction Lumbriculus variegatus‚ or blackworms‚ are part of the segmented worms called annelids. The body is organized into repeated segments. It has a closed circulatory system‚ similar to humans because the blood is contained within blood vessels. Two major blood vessels‚ the ventral and dorsal vessels‚ run straight from the head to the tail‚ and several vessels connect the two in the anterior segments. The dorsal blood vessel acts similar to the heart‚ pumping the blood through wavelike contractions
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1-1 EXPERIMENT 1 ISOLATION OF CAFFEINE FROM TEA In this experiment you will isolate caffeine from tea leaves and prepare the salicylate derivative. Introduction This experiment illustrates the isolation of a naturally occurring product from plant material -- caffeine from tea leaves. The experiment will provide experience in handling relatively small amounts of material and at the same time you will be exposed to several techniques and procedures which are fundamental for survival in an organic
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