The rate of heart beat is determined by
Heartbeat:
Heartbeat is defined as the sound that is created due to the movement of the heart as it transports the blood to the entire body.
Rate of Heartbeat:
(a) What is meant by 'heart beat' ? What is the usual heart beat rate at rest ? (b) What change occurs in heart beats if a person runs for a while Why ?
Rate of heart beat is under the control of