Medical Quiz

The Circulatory System Quiz

Prevents the backflow of blood and ensures that blood flows only in one direction.

A. valves

B. aorta

C. ventricle

D. atrium

Select your answer:
A  B  C  D  E 

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Other quiz: Circulatory System

Which 2 chambers of the heard contain non-oxygen-rich blood?
A. Left Atrium and Left Ventricle
B. Right Atrium and Right Ventricle