Oxygen enters the blood in the alveoli. The alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
Oxygen enters da blood in da
Bronchi
Pharynx
Larynx
Alveoli
1 answer
Bronchi
Pharynx
Larynx
Alveoli
1 answer
Oxygen enters the blood in the alveoli. The alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.