NEETZoologyExcretory Products and their Elimination
What is the primary function of sweat produced by sweat glands?
Options
- ATo remove urea from the body
- BTo provide a protective oily covering for the skin
- CTo facilitate a cooling effect on the body surface
- DTo remove glucose from the body
Correct answer
C. To facilitate a cooling effect on the body surface
Step-by-step solution
The sweat and sebaceous glands in the skin can eliminate certain substances through their secretions. Sweat produced by the sweat glands is a watery fluid containing NaCl, small amounts of urea, lactic acid, etc. Though 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 mentioned above. Sebaceous glands eliminate certain substances like sterols, hydrocarbons and waxes through sebum. This secretion provides a protective oily coverin