jacobsmithasd4141 jacobsmithasd4141

02-11-2017
Biology

contestada

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

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Topmadworld Topmadworld

02-11-2017

Hey there,
It will reduce your heart rate, as the relaxed muscles no longer need a lot of oxygen, and your CO2 levels are low..

Hope this helps :))

~Top

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