Multiple choice

What is stroke volume?

  1. The volume of blood entering into the auricles at each heart beat

  2. The volume of blood ventricles pump at each heart beat

  3. The volume of blood pumped daily by heart

  4. The volume of blood pumped by heart per minute

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

At each heart beat ventricles pump about 70 ml of blood. This volume is called stroke volume.