Question
Biology Question on Exchange Of Gases
Cartilagenous rings in respiratory passage are present in
A
Trachea only
B
Trachea and initial part of bronchi only
C
Trachea, bronchi and initial bronchioles only
D
Trachea, bronchi and all bronchioles
Answer
Trachea, bronchi and initial bronchioles only
Explanation
Solution
Answer (c) Trachea, bronchi and initial bronchioles only