Circulatory System Quiz 30 (5 MCQs)

Quiz Instructions:

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1. What important process takes place in the lungs?

2. A type of blood vessel that is fine and the RBC's must line up to pass through it.

3. Allows blood flow into the aorta

4. The flow of the blood from the heart to the lungs and back to the heart.

5. Compared to arteries, veins