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15 POINTS ANSWER FAST
Your heart is one big muscle. When the muscle_______, blood flows into the heart from the rest of the body.

Respuesta :

Answer:

pumps, contracts, or beats. im not sure bc we cant see any multiple choice questions

Explanation:

The heart beats (expands and contracts) about 100,000 times per day, pumping five or six quarts of blood each minute, or about 2,000 gallons per day.

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