Question

water is not a nutrient yet it is extremely important for our survival.Explain giving reasons.​

Answer 1

Answer:

Water is very important for our body because-

i. Water helps our organs to absorb nutrients from food.

ii. Water helps in removal of wastes in the form of urine and

sweat.

iii. Water helps our body in maintaining temperature. 

Answer 2

Answer:

Water is needed for most body functions, including to:

• maintain the health and integrity of every cell in the body
• keep the bloodstream liquid enough to flow through blood vessels  help eliminate the by-products of the body’s metabolism, excess electrolytes (for example, sodium and potassium), and urea, which is a waste product formed through the processing of dietary protein
• regulate body temperature through sweating  moisten mucous membranes such as those of the lungs and mouth
• lubricate and cushion joints
• reduce the risk of cystitis by keeping the bladder clear of bacteria  aid digestion and prevent constipation
• moisturise the skin to maintain its texture and appearance  carry nutrients and oxygen to cells
• serve as a shock absorber inside the eyes, spinal cord and in the amniotic sac surrounding the foetus in pregnancy.
• Most foods, even those that look hard and dry, contain water. The body can get about 20 per cent of its total water requirements from solid foods alone.  
• The process of digesting foods also produces a small amount of water as a by-product which can be used by the body. Water sourced this way can provide around 10 per cent of the body’s water requirements.
• The remaining 70 per cent or so of water required by the body must come from fluids (liquids).

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