Question

The heart is an organ which beats

• A. Twenty hours in twenty four hours
• B. Ten hours in twenty four hours
• C. Continuously
• D. Eight hours in twenty four hours

Answer 1

The correct option is C Continuously

The heart beat continuously and pumps the blood by contraction and relaxation of cardiac muscles.

Cardiac output is defined as the amount of blood pumped out by the ventricles in a minute.The volume of blood pumped by each ventricle in 1 minute is termed as the cardiac output.

So, the correct answer is option C.