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ANEK [815]
3 years ago
6

What will happen to your heart rate when you hold your breath?

Biology
1 answer:
Katyanochek1 [597]3 years ago
6 0
Hey there,
It will reduce your heart rate, a<span>s the relaxed muscles no longer need a lot of oxygen, and </span>your<span> CO2 levels are low..

Hope this helps :))

~Top
</span>
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