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Define Food Intake and Energy Requirements for Humans?
Many studies have shown that the subjects loose significant amounts of body mass; fat mass, as well as, fat free mass during a climb to and or a stay at the high altitudes. High altitude-induced weight loss is mainly caused by malnutrition probably due to hypoxia related anorexia, independent of acute mountain sickness. Hypophagia is more pronounced during the first three days of exposure to high altitude even when the best possible food is available. The decreased calories consumption by 40% at 4300 m leads to a negative nitrogen balance.
This, coupled with an increased metabolic rate, induced by high altitude exposure, is considered as a major cause of weight loss. The taste thresholds for sweet and salt modalities have been found to be elevated while for bitter and sour were reduced. This means we have to add more sugar to our cup of tea to get same sweet taste as at plains. The feeding behaviour is governed by several hormones, endocrine substances and can be modulated by environmental factors. Alterations in appetite regulatory hormones are the current focus of modem research for appetite regulation.
Explain the Small Intestine? The small intestine is made up of three sections, the duodenum, the jejunum, and the ileum. Bile from the liver and pancreatic enzymes are released
TONGU E - On the tongue 4 types of papillae are present. (i) Filliform - Filliform papillae are most abundant and have no taste bunds. Filliform papillae
What is phosphorylation? What are some biological processes in which phosphorylation plays a critical role? Phosphorylation is the name given to processes of the addition of ph
what is role of macro and micro nutrients
The Deoxyribonucleic acid or also called as DNA molecules are informational molecules encoding the genetic instructions used in the functioning and development of all known living
Define the interaction of vitamin c with lead and mercury? Vitamin C, lead and mercury: Iron alleviates lead toxicity but ascorbic acid is ineffective. Ascorbic acid alleviat
Define Advantages of membrane filtration technique? (i) Both total and viable counts can be obtained. (ii) Specific microorganisms can be selected by using special media.
HEAR T OUTPUT The amount of blood pumped by heart per minute. Heart beat is 72. Pump out blood is 70 ml. This 72 × 70 = 5040 ml. ( 5 litres) blood is pumped in a minute.
For Dalmation dog, the spotted condition is dominant to non-spotted. a) Using a Punnet square, show a cross between two heterozygous parents. b) A spotted female Dalmation dog is m
recptors and effectors
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