Question

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How does the respiratory system keep your body alive? *



by supporting and protecting your organs

by helping you to produce hormones to help your body function

by transmitting signals between different parts of the body

by taking in oxygen and cleaning out waste gases like carbon dioxide


(This is 7th grade science)

Answer 1

by takeing in oxygen and cleaning out waste gases like carbon dioxide

Explanation:ing cause i said so

Answer 2

D. by taking in oxygen and cleaning out waste gases like carbon dioxide.

Step-by-step explanation:

The respiratory system cleans out your carbon dioxide and replaces it with oxygen.