130k views
17 votes
Where does the tranfer of oxygen into the blood stream take place?

User Egoodberry
by
3.5k points

1 Answer

6 votes

Answer: In the air sacs

Explanation: Air sacs has a million tiny holes that is were oxygen transfers. Inside the air sacs oxygen moves across paper thin walls to tiny blood vessels called capillaries into your blood

The oxygen enters the bloodstream from the alveoli.

User Jdl
by
3.2k points