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umka2103 [35]
3 years ago
12

Help me with this oxygen pls someone-

Biology
2 answers:
-BARSIC- [3]3 years ago
5 0

Answer:

What's wrong?

Explanation:

Alisiya [41]3 years ago
3 0

Answer:

1:nasal cavity

2:mouth

3:pharynx

4:larynx

5:trachea

6:bronchi

7:bronchioles

9:alveoli

Explanation:

I am 90% sure

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