azelyanoel
05.05.2020 •
Health
15 POINTS ANSWER FAST
Your heart is one big muscle. When the muscle, blood flows into the heart from the rest of the body.
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Ответ:
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.
Ответ:
the answer for this question is a