Q. Sympathetic nervous system controls

A) Erections of hairs
B) Whitening of hairs
C) Withdrawl of hairs
D) All of the above
Explanation

Sympathetic nervous system is a type of autonomic nervous system, which has its role in opposing the parasympathetic nervous system. There is an erector pilli, which causes erection of hair under the control of sympathetic nervous system

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.