it's the alveoli that allow oxygen from the air to pass into your blood. a. bronchioles b. alveoli c.coccyx d.cervical
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alaiza0705
The air finally ends up in the 600 million alveoli. As these millions of alveoli fill up with air, the lungs get bigger. It's the alveoli that allow oxygen from the air to pass into your blood. All the cells in the body need oxygen every minute of the day.
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B.alveoli
Answer:
b.alveoli
Explanation:
It's the alveoli that allow oxygen from the air to pass into your blood. All the cells in the body need oxygen every minute of the day.