Question Detail

ZOO 101 Gas Exchange and Respiration in Mammals Objective Question
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Question

What structures hold the trachea open?
Options
A Bony rings
B Smooth muscle
C C-shaped rings of cartilage
Correct Answer
D Elastic fibers
Correct Answer

Option C is the correct answer.

Detailed Explanation

The trachea is held open by C-shaped rings of cartilage, which prevent it from collapsing during inhalation and exhalation.

Hint

These are firm but flexible rings that keep the airway open.

Question Info

Course: ZOO 101
Topic: Gas Exchange and Respiration in Mammals
Type: Objective
Difficulty: Not specified
Question 744 of 2214
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