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Define Age as a determinants of nutrient requirements?
Age: Requirements change with increasing age between birth and maturity. Nutrient requirements per unit body weight are higher during growth and they decrease after growth has ceased. For e.g., the energy requirement of an infant is 103 Kcal per kg body weight, while for a sedentary adult male it is only 38 Kcal per kg body weight. Similarly, the protein requirement for an infant 9- 12 months is 1.5 g per kg, while that of an adult is 1g per kg body weight. Requirements increase during pregnancy as the foetus grows. In lactation, the requirements increase in proportion to the amount of milk secreted. At ages of 40 and beyond, there is a decline in the lean body tissue and a decline in activities, both of which result in a decline in the energy requirements. However, this is not accompanied by a reduction in the nutrient requirements due to a reduced efficiency of gastrointestinal function with ageing.
Collenchyma are one of the three major cell types in the plants; are elongated and have thicker walls than parenchyma cells and are usually arranged in strands; gives support and
Define the term - lamellac The inner membrane is folded into very closely packed membranes called the lamellac. The lamellae flatten out at regular intervals into structures c
Why Vegetable and Fruit are important for human body? The vegetables and fruits add colour and variety to our diets in addition to providing a host of essential nutrients and p
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The various types and their description of Heart failure are as follows: Left Sided Versus Right Sided Heart Failure Predominantly left sided failure is seen in left ventr
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Determine about the The Halstead Category Test This test is a concept identification procedure in which the subject must discover the method or principle that governs various
What are the situations in which the environment can alter the genotype of an individual? What is the condition for this type of change to be transmitted to the offspring? The
What are the five human digestive secretions? Which of them is the only one that does not contain digestive enzymes? The human digestive secretions such as: saliva, gastric jui
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