Multiple choice

Which of the following are the lower two chambers of heart?

  1. Atria

  2. Ventricles

  3. Sinuses

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The lower two chambers of the heart are called ventricles. The right ventricle pumps blood to the lungs, and the left ventricle pumps oxygenated blood to the rest of the body. Atria are the UPPER chambers, and sinuses are not related to heart chambers but are air-filled spaces in the skull.

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