Question

which of the following is not transferred by alveoli?
a. oxygen
b. blood
c. carbon dioxide
d. gases

please select the best answer from the choices provided.
a
b
c
d

Explanation:

Alveoli are involved in gas exchange. Oxygen (a gas) moves from alveoli to blood, and carbon dioxide (a gas) moves from blood to alveoli. Blood is the medium carrying gases, not transferred by alveoli themselves.

Answer:

B. blood