Question Detail

BIO 102 Mechanisms of Animal Respiration and Circulation Objective Question
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Question

What protects the spiracles of insects from foreign particles?
Options
A Mucus lining
B Fine hairs and valves
Correct Answer
C Exoskeleton plates
D Water-filled sacs
Correct Answer

Option B is the correct answer.

Detailed Explanation

Spiracles are guarded by fine hairs to keep particles out and valves to open or close the openings.

Hint

They have physical filters and doors.

Question Info

Course: BIO 102
Topic: Mechanisms of Animal Respiration and Circulation
Type: Objective
Difficulty: Not specified
Question 143 of 802
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