Multiple choice

Which of the following parts of respiratory tract has the C-shaped cartilaginous rings for support?

  1. Trachea

  2. Nasal passage

  3. Bronchi

  4. Alveoli

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The trachea is reinforced by C-shaped rings of hyaline cartilage, which prevent the airway from collapsing during inhalation. Other structures like alveoli are too small for such rings.