After researching the effects of the temperature and altitude on the exercise of trained individuals‚ I decided to put the research to the test and see the real outcomes based on change in heart rate‚ neurological functioning‚ respiration‚ muscle glycogen‚ and dehydration Statement of problem: Olympic athletes and many other athletes go to excessive means to train for events. It is important for athletes to be educated on the means that could be
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Whenever we consume carbohydrates‚ present in food items like bread‚ rice and many other items‚ glucose is released into our bloodstream‚ providing energy to our body. Surplus glucose is also stored up in the liver as glycogen‚ so that when our bloodstream lacks in sugar‚ glycogen is broken down to glucose and released into the bloodstream. A hormone named insulin‚ generated by the pancreas‚
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ntroduction The purpose of this experiment was to use Iodine‚ Benedict and Biuret to test the reaction of the following 12 samples: 1% glucose‚ 0.3% glucose-1-phosphate‚ 1% maltose‚ honey‚ 1% sucrose‚ 1%lactose‚ 1% glycogen‚ 1% starch‚ protein‚ beer‚ distilled water and an unknown solution (test tube: 300). The iodine test for starch was to test how would starch reacted if we put iodine in it. The color of starch before the test was clear. The color of the iodine was brown. When you added iodine
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keep the blood glucose levels regulated. The body is able to use glycogen stores‚ glycerol from triacylglycerol‚ some amino acids and lactate to form glucose (Frayn‚ 2003).
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DIGESTION OF CARBOHYDRATES Digestion of carbohydrate begins in the mouth‚ with the secretion of the enzyme salivary amylase from the serous cells of the salivary gland. This enzyme breaks starch and glycogen into disaccharides. The mucous cells of the salivary gland secrete a mucus‚ which causes the food to stick together‚ and acts as a lubricant to aid in swallowing. The salivary glands are grouped into three categories: the parotid gland‚ submandibular glands‚ and sublingual‚ all located
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Homeostasis What is it? Maintenance of a relatively constant internal environment The human body is constantly responding to internal and external factors in order to maintain relative stability within the body Homeostasis is vital to the body as a whole‚ right down to each individual cell. If homeostasis is not maintained at the cellular level this will affect the body as a whole. History Claude Bernard (1813-1878): consistency of internal environment is the condition for free life.
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a hyper- glycaemic hormone‚ secreted by the islets alpha cells. Its main function is to increase the level of glucose in the blood. This is a vital process when blood sugar levels become low. Glucagon stimulates the liver to break down its excess glycogen into glucose. The glucose then passes into the blood stream and the homeostasis of blood glucose level is restored. Insulin is a hypo- glycaemic hormone that is secreted by the islets beta cells‚ in response to high blood glucose levels. Insulin
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Homeostasis: The process of the body maintaining a constant internal environment‚ despite any external changes. Homeostasis ensures that the following are kept the same: Body temperature Amount of water in our body Blood glucose levels Breathing rate Heart rate How are things kept the same? 1. Receptors: They detect a change in the things such as temperature 2. Processing: Centre receives information and coordinates a response 3. Effects: Produce a response that ensures our body temperature stays
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Exam 3 Study Guide Chapter 11: Acid-Base Balance During Exercise Acids and Bases Acid Molecule that can liberate H+ (proton donor) Increases H+ concentration in solution Lactic acid is a strong acid Base Molecule that is capable of combining with H+ Bicarbonate (HCO3-) is a strong base pH Expression of H+ solution in solution Negative logarithm of H+ concentration pH = -log10[H+] pH of pure water pH (pure water) = -log10[H+] = 7.0 pH of Blood Normal pH = 7.4 ± 0.05 Acidosis pH
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beta cells. Insulin’s main function is to lower blood glucose levels by speeding up the membrane transport of glucose from the blood and into the body’s cells‚ for use for energy or conversion to other storage forms‚ like glycogen or fats.[i] It also acts as an inhibitor to glycogen by not allowing it to break down into glucose and thus counter acts any metabolic activity that would increase the plasma levels of glucose.[ii] This experiment will study the effects of insulin on a normal rat‚ and on
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