ashiteru123 ashiteru123

23-10-2019
Health

contestada

When the diaphragm and rib cage muscles relax,

it is impossible to breathe.

inspiration occurs.

the chest cavity enlarges.

expiration occurs.

Respuesta :

kyeiona123 kyeiona123

23-10-2019

Expiration occurs. When the diaphragm and rib cage muscles relax you let air out. Kinda like a sense of relief

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