129k views
1 vote
3. Why does oxygen diffuse into the blood from an alveolus in the lungs?

A The oxygen concentration in the alveolus is greater than the carbon dioxide concentration in
the blood.


B The oxygen concentration in the alveolus is greater than in the blood.

C The oxygen concentration in the blood is greater than in the alveolus.

D The oxygen concentration in the blood is greater than the carbon dioxide concentration in the alveolus.

User Takim
by
8.1k points

1 Answer

5 votes

B The oxygen concentration in the alveolus is greater than in the blood.

User Aydjay
by
8.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.