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lubasha [3.4K]
2 years ago
10

although the heart is an intermittant pump, _______ expand and recoil thus exerting continuous pressure on the blood and maintai

ning constant blood flow in the cv system.
Health
1 answer:
Temka [501]2 years ago
5 0
Muscles. The heart has strong muscles that pump blood all day long. You can make the heart stronger and your body healthier by exercising and getting your heart rate up. Hope this helps! ;)
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Explanation:

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