Multiple choice

Systole and diastole are the two phases which occur during a heartbeat. During diastole, which of the following processes occurs?

  1. Blood enters the heart.

  2. Blood enters the lungs.

  3. Blood leaves the ventricles.

  4. Blood leaves the heart.

  5. -

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

During diastole, the flow of blood from both the atria to the respective ventricle occurs. Diastole means relaxation of the heart chamber.