EasyZoologyExcretory Products & Their Elimination
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Given below are two statements: Statement I: The primary function of sweat is to facilitate a cooling effect on the body surface. Statement II: Sebum provides a protective oily covering for the skin.
A
Statement I is incorrect but Statement II is correct
B
Both Statement I and Statement II are correct
C
Both Statement I and Statement II are incorrect
D
Statement I is correct but Statement II is incorrect
Explanation
Sweat produced by the sweat glands is a watery fluid containing NaCl, small amounts of urea, and lactic acid. The primary function of sweat is to facilitate a cooling effect on the body surface, it also helps in the removal of some of the wastes. Sebaceous glands eliminate certain substances like sterols, hydrocarbons and waxes through sebum. Sebum provides a protective oily covering for the skin.
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