Question

question 7 of 10
what is the term for the tiny air sacs in the lungs?
a. bronchioles
b. capillaries
c. alveoli
d. trachea

Explanation:

Alveoli are the tiny air - sacs in the lungs where gas exchange occurs. Bronchioles are small airways, capillaries are blood vessels, and trachea is the windpipe.

Answer:

C. Alveoli