The part of mammalian skin that excretes metabolic wastes is?
A.
sweat gland
B.
horny layer
C.
Malpighian layer
D.
sebaceous gland
Correct Answer: Option A
Explanation
Sweat glands are used to regulate temperature and remove waste by secreting water, sodium salts, and nitrogenous waste (such as urea) onto the skin surface.
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