what function to the alveoli perform

Answer 1

The alveoli function as tiny air sacs in the lungs where gas exchange occurs. Oxygen from the air we breathe diffuses across the alveolar walls into the bloodstream, while carbon dioxide from the bloodstream diffuses across the alveolar walls into the air we exhale.

Answer 2

what function do the alveoli perform? (1 point)
A.exchange oxygen in the air for carbon dioxide in the blood
B. exchange oxygen in blood for carbon dioxide in the air
C. carry oxygenated blood away from the heart
D. hold receptors for the sense of smell

Answer 3

idk

Answer 4

1. exchange oxygen in the air for carbon dioxide in the blood
2. bronchioles
3. the alveoli
4. It carries deoxygenated blood from the body to the heart.

Answer 5

hi is right i got 100%