which are the structure present in our respiratory system to provide a very large surface area for gaseous exchange?
1) Bronchi,2)Bronchioles ,3) Diaphragm, 4) Alveoli
Dear Student!
The answer to your question is alveoli.
Where in the respiratory system does oxygen, from the air breathed in pass into the blood.
Option 1 : trachea
Option 2 :bronchi
Option 3 : bronchioles
OpOpti 4 : alveoli