The composition of the secretions of the eccrine glands is .metabolic wastes99% water, sodium chloride, trace amounts of wastes, and vitamin Cprimarily uric acidfatty substances, proteins, antibodies, and trace amounts of minerals and vitamins

99% water, sodium chloride, trace amounts of wastes, and vitamin C

Explanation:

Eccrine glands are the main and major sweat glands of our body. These glands are found all over the skin but their density is higher on palm, soles, and head.  

99% of the secretion of the eccrine gland is water and in rest 1% it contains sodium, trace amounts of waste and a high amount of vitamin C is lost by the eccrine gland.  

As the eccrine gland is responsible for sweating so it helps in thermoregulation in the body. As 99% of secretion is water therefore dehydration and water loss is the major worry during excessive sweating.

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