Question

The heart is the key component of the cardiovascular system.

Answer 1

Answer:This system is comprised of the heart and the circulatory system. Structures of the cardiovascular system include the heart, blood vessels, and blood.

Step-by-step explanation:

Answer 2

Answer: A. True

The heart is the key component of the cardiovascular system.

A. True

B. False

Step-by-step explanation:

I am assuming that this was a true or false question. I just did an assignment with the same question and the correct answer is A. True! There are many components to the cardiovascular system but the heart is the key component. This is because if the heart stops working so does everything else. Hope this helps.

Good Luck!!