Question
Question: Cartilagenous rings in respiratory passage are present in...
Cartilagenous rings in respiratory passage are present in
A
Trachea only
B
Trachea and initial bronchioles only
C
Trachea, bronchi and initial bronchioles only
D
Trachea, bronchi and all bronchioles
Answer
Trachea, bronchi and initial bronchioles only