Question

Heart beat is an indication of consecutive contraction and relaxation of the heart.

• A. True
• B. False

Answer 1

The correct option is A True

• Heart beat is defined as a complete cycle of consecutive contraction and relaxation of the heart.
• In case of a healthy person, there are 72 beats of heart per minute.
• During a heart beat, two types of sound are produced, 'lubb' and, 'dubb'.
• Heart beat increases during the time of exercise, while decreases during the events of rest and sleep.