Q. Neural signals through the sympathetic nerves (ANS) can increase the rate of heart beat by
A) Increasing heart output
B) Increasing the strength of ventricular contraction
C) Both (a) and (b)
D) Increasing the contraction of atrium
Explanation
Neural signals through the sympathetic nerves (part of ANS) can increase the rate of heartbeat by the strength of the ventricular contraction of cardiac output
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.