What route does oxygen take as it enters the body?

2 answers:

8 0

Answer:

Explanation:

ZanzabumX [31]2 years ago

5 0

Is D I hope it helps

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Elanso [62]

Answer:

genes

Explanation:

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yanalaym [24]

Dry air might be the answer but honestly I’m not sure if it is

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Genrish500 [490]

b is the answer

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Illusion [34]

Answer:

they have to evolve

Explanation:

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Kryger [21]

Answer:

Explanation:

there are around as many bacteria cells as there are human cells in the human body.

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