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11-06-2021
Biology

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The main role of this system is to provide the gas exchange between the blood and the environment. Which body parts perform this function?
A) nose, trachea, lungs
B)brain, spinal cord, peripheral nerves
C)heart, blood vessels, blood
D)mouth, esophagus, stomach

Respuesta :

VevaTaamneh VevaTaamneh

11-06-2021

Answer:

A

Explanation:

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