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Bess [88]
2 years ago
15

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
Biology
1 answer:
astraxan [27]2 years ago
8 0

Answer:

A

Explanation:

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