7. The heart is a hollow muscular organ as big as your fist. Its function is to
A. receive and keep the blood
B. clean and use the blood
C. pump the blood to all parts of the boy D. give the blood its red color
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7. The heart is a hollow muscular organ as big as your fist. Its function is to
A. receive and keep the blood
B. clean and use the blood
C. pump the blood to all parts of the boy D. give the blood its red color
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Answer:
C.
Explanation:
It pumps blood throughout your body, controls your heart rate and maintains blood pressure. Your heart is a bit like a house. It has walls, rooms, doors, plumbing and an electrical system. All the parts of your heart work together to keep blood flowing and send nutrients to your other organs.