Q. Sympathetic nerve accelerates heart beat due to

A) Adrenaline
B) Nor-adrenaline
C) Insulin
D) Glucagon
Explanation

Sympathetic nerve accelerates heart beat due to adrenaline. Adrenaline or epinephrine is a hormone secreted by the medulla of the adrenal gland. It presents the body for emergency action. It increases strength and rate of heart beat.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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