Biology Topic 1 MAINTAINING A BALANCE What is this topic about? To keep it as simple as possible‚ (K.I.S.S.) this topic involves the study of: 1. ENZYMES & HOMEOSTASIS 2. TEMPERATURE REGULATION 3. INTERNAL TRANSPORT SYSTEMS 4. EXCRETION & WATER BALANCE but first‚ an introduction... Living Things are Made of Cells Homeostasis All living things are composed of microscopic units called cells. You learned in a previous topic about the structure of a cell and the functions of the
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Alcohol Alcohol is a Depressant - it slows down your nervous system. Alcohol affects all parts of the body and their cells‚ particularly the BRAIN‚ HEART and LIVER. Short Term effects Alcohol can have the following short term effects: • feeling relaxed and less inhibited • reduced concentration • slurred speech and blurred vision • affected coordination and judgment • aggressive behaviour • the risk of accidents when operating cars or other machinery is increased • Increased
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Marlyn Perez Reflection Paper - Alcohol/Drugs Drug and alcohol use on college campuses is universal. Students articulate many reasons why they do it‚ but most neglect to consider both the long-term consequences of their actions. How wide-spread is drug and alcohol abuse? Teenagers today admit to extensive experimentation. According to one study‚ 90 percent of teens said that they have used alcohol‚ over 50 percent have used marijuana‚ 17 percent have used cocaine and 13 percent have used
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While the effects of alcohol is known to be bad for baby‚ scientist don’t know the exact amount in which it becomes dangerous to the fetus. Because of this‚ many doctors say that refraining from alcohol is the best rout to go. Alcohol is toxic to adults and even more so to a developing baby. When consumed the alcohol travels to the child via the placenta. Drinking can cause miscarriages‚ physical birth defects‚ premature birth‚ ect. This is because it damages the developing child’s cells which in
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The effect of prenatal alcohol exposure Scientific Writing June 2010 The effect of prenatal alcohol exposure Introduction: Alcohol is a drug with a depressant effect. Alcohol can negatively affect your brain‚ liver‚ central nervous system‚ and heart. The immediate effects of alcohol consumption are delayed reflexes and slurred speech. Since it is a depressant‚ alcohol slows down your
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The Health Effects of Teen Alcohol Use There has been many studies conducted on the health effects of both short-term and long-term use of alcohol among adults. Long-term risks inlcude liver damage‚ pancreatitis‚ certain cancers‚ and literal shrinkage of the brain. Alcohol use is the second leading cause of dementia; one simple ages quicker on alcohol. (3) But professionals today are worried about a steady increase in teen alcohol abuse and the possible negative health effects. According
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looking at the effects of alcohol consumption by college/university students‚ how it impairs the functioning of the human brain‚ the cognitive process of information and personality. I will be focusing on the parts of the brain that alcohol has effects on such as; cerebral cortex and the frontal lobes‚ the cerebellum‚ the hippocampus‚ the medulla and the hypothalamus‚ as well as how it affects personality (behavior) and intelligence and cognition. According to Clarren & Smith (1978) alcohol is depressant
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Hyperthermia and Homeostasis Definition of homeostasis is the attempt to keep equilibrium of the internal organisms despite the external environment. Homeostasis is everywhere in your body‚ think of the heart for a second. If you have a high blood pressure your cells send signals to your brain to slow the heart rate down to keep equilibrium‚ or if you have low blood pressure your heart will beat faster. Hyperthermia relates to homeostasis through numerous different systems in the body. In
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Effects Of Alcohol On A Human Body During this essay I will explain the physical effects and the emotional effects alcohol can have on the human body. I’m also going to be showing the long and short term effects it comes into play with. This first section is going to cover the emotional and physical effects alcohol can have on the human body. Yes the feeling might feel great but after this sentence I’m going to show how you are harming yourself by drinking over your limit. Brain damage- Binge drinking
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Homeostasis‚ in general‚ the sleep-wake cycle is regulated by two separate biological mechanisms in the body which interact together and balance each other. Studies say that high levels of adenosine leads to sleepiness. According to the two process model of sleep regulation the timing and structure of sleep are determined by the interaction of a homeostatic and a circadian process. The original qualitative model was elaborated to quantitative versions that included the ultradian dynamics of sleep
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