Question

the process of continuous beating of heart is controllled by

Answer 1

Answer:

it is controlled by SA nodes and Av node

Answer 2

Answer:

Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). The sympathetic nervous system (SNS) releases the hormones (catecholamines - epinephrine and norepinephrine) to accelerate the heart rate

Explanation: