Q. Primary function of sweat in humans is
A) Excretion
B) Cooling of skin
C) Both of (a) and (b)
D) Removal of urea
Explanation
Primary function of skin is cooling. Sweat produced by sweat gland 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
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.