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Which is not a component of the cardiovascular system?

A) heart
B) blood
C) blood vessels
D) lungs

1 Answer

6 votes

Final answer:

The lungs are not part of the cardiovascular system; they belong to the respiratory system, despite their role in blood oxygenation.

So, the correct answer is D) lungs.

Step-by-step explanation:

The component not part of the cardiovascular system is lungs. The main components of the cardiovascular system include the heart, which pumps blood; blood vessels, which carry the blood; and blood itself, which transports oxygen, nutrients, and waste materials. Although the lungs are involved in the pulmonary circulation by oxygenating the blood, they are not considered a component of the cardiovascular system, but rather a part of the respiratory system.

So, the correct answer is D) lungs.

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