Multiple choice

What is meant by cardiac output in humans?

  1. It is heartbeats/min.

  2. It is volume of blood pumped/min.

  3. It is the capacity of the heart to store blood.

  4. It is the general pause of cardiac activity.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Our heart pumps approx. 5040 ml of blood per minute. This is known as cardiac output.