Air passage into the trachea of most insects is controlled by the closing and opening of valves,which operate special openings called
A)spiracles.
B)ocelli.
C)ommatidia.
D)book lungs.
E)Malpighian tubules.

Question

Quizplus · Accepted Answer

The air passage into the trachea of most insects is controlled by the opening and closing of spiracles. Spiracles are special openings that function as valves. Therefore, the correct choice is A) spiracles.

Air Passage into the Trachea of Most Insects Is Controlled