What function do the alveoli perform?

|exchange oxygen in the air for carbon dioxide in the blood|

Which organ of the respiratory system is located inside the lungs?
|bronchioles|

A patient has low blood oxygen levels, although the patient's blood is circulating properly. Which is most likely functioning improperly?
|the alveoli|

What is the function of the vena cava?
|It carries deoxygenated blood from the body to the heart.|

3 answers

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.

(This is the answers to Connexus)

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