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Health, 18.05.2021 20:10 MidnightYT
What is the purpose of the valves in the heart?
O To keep the blood flowing in only one direction
To prevent pathogens from entering the heart
To separate the heart into two sides
To control how fast the heart beats
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Answers: 2
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What is the purpose of the valves in the heart?
O To keep the blood flowing in only one direction
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