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julsineya [31]
3 years ago
13

what part of the heart opens and closes to keep the blood moving in the right direction? please help me

Health
1 answer:
jasenka [17]3 years ago
4 0

Answer:

There are 2 Valve Systems

Explanation:

The mitral valve and tricuspid valve are located between the atria (upper heart chambers) and the ventricles (lower heart chambers).

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