Q. Where does the exchange of gases takes place in humans?

A
Nasal cavity
B
Bronchiole
C
Bronchus
D
Alveoli
Solution:

Alveoli – Delicate air sacs, elastic in nature. The exchange of gases takes place here.

Nasal cavity – The cavity which connects the nostrils with the pharynx.

Bronchiole – The terminal branches of bronchi that open to the alveoli. There are no cartilaginous rings in the bronchioles.

Bronchus – Branches of trachea which enter the lungs, supported by cartilaginous bronchial rings.

Entri Contact Image

Get Expert Advice for Free: Register for Your Free Consultation Now!