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Superbob · Answer 1 · 2021-05-26T22:09:43+0000

Answer:

exchange of oxygen and carbon dioxide

Step-by-step explanation:

to inhale oxygen and exhale carbon dioxide is the main function of respiratory pathway

Hin · Answer 2 · 2021-05-29T12:07:25+0000

Step-by-step explanation:

Cellular respiration is when cells take oxygen and food to make energy, and also water and carbon dioxide. For the organism to get oxygen, they breath in the air from the outside. The oxygen travels through the respiratory pathway to get to cells.

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