This muscular organ works to pump blood throughout your body ...

🏠 Medical Quiz
Circulatory System

This muscular organ works to pump blood throughout your body via an intricate network of blood vessels; the size of two adult hands held together, the heart rests near the center of the chest.

A. Pulmonary Veins

B. Heart

C. Blood

Select your answer:
A B C D E

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Other quiz: Respiratory

When bird is flying they breathe using

A. Air Sacs

B. Lungs

C. Heart

D. Nostril