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