Q. In which part of the respiratory system is the ‘C’ shaped cartilaginous rings seen?

A
Nasal cavity
B
Trachea
C
Nostril
D
Bronchiole
Solution:

Trachea (wind pipe) – Long tude strengthened by ‘C’ shaped cartilaginous rings.

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

Nostril – An opening through which air passes in and out of the body.

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

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