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The heart has four one-way valves, which open and close with each heartbeat, True False
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2 votes
The heart has four one-way valves, which open and close with each heartbeat,
True
False

User Elliott Collins
by
5.7k points

2 Answers

4 votes
It is true I know about hearts
User Noio
by
6.2k points
2 votes
It’s true, my dad works on the heart every single day, trust me ik the answer
User Menachem Hornbacher
by
5.6k points
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