Health, 12.12.2020 17:00, sunshine210421

HELP PLS What is the purpose of the valves in the heart?

a. To control how fast the heart beats

b. To separate the heart into two sides

c. To keep the mood flowing in only one direction

d. To prevent pathogens from entering the heart

Answers: 1

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HELP PLS What is the purpose of the valves in the heart?

a. To control how fast the hea...