estelainggo estelainggo

25-10-2020
Health

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it is a thin muscles that contracts and relaxes to help the air go in and out?

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SerissSkyee3 SerissSkyee3

25-10-2020

Hey :)

The diaphragm is a thin muscle that contracts and relaxes to help the air go in and out as you breathe

Hope this helps!

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