3 years ago

PLEASE HELP EMERGENCY!! IF YOU ARE NOT 100% SURE ABOUT YOUR ANSWER DO NOT ANSWER THEN!! PLEASE!!

Biology

2 answers:

Fiesta28 [93]3 years ago

5 0

Answer:

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

Explanation:

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

Stella [2.4K]3 years ago

5 0

Answer:

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

Explanation:ing cause i said so

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