BIOLOGY
JAMB 2010 - Question 17
Biology 2010 JAMB Past Questions - Question 17: The primary structure responsible for pumping blood for circulation through the mammalian circulatory system
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
C
Explanation
C - The muscles of the left ventricle contract and pump oxygenated blood into the arteries. The arteries have have thick muscles used only to withstand the pressure of the blood as the blood flows through them (arteries) with great pressure. The right auricle merely allows the flow of deoxygenated blood from the vena cava (largest vein in the body) into the right ventricle.
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