Question

Help ASAP!!

The gas exchange of oxygen to the bloodstream takes place in what part of the respiratory system?
A. pharynx
B. bronchiole
C. alveoli
D. trachea

Answer 1

C. alveoli

Step-by-step explanation:

They are the tiny air sacks of the lungs. This is where rapid gas exchanges happen.

Answer 2

C

Step-by-step explanation:

I think it's C because it happens in the lungs and between the lungs of alveoli and a network tiny blood vessels called capillaries which of the locators in the walls of Alveoli