Question

which structure facilitates
exchange of gases in insects ​

Answer 1

Explanation:

Insects breathe through a complex network of tubules, the tracheae. Large tracheae connect to spiracles opening at the surface of the body, where air enters and carbon dioxide exits

Answer 2

Answer:

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Insects breathe through a complex network of tubules, the tracheae. Large tracheae connect to spiracles opening at the surface of the body, where air enters and carbon dioxide exits.