Question

How do insects respire?

Answer 1

Answer:

insects respire through tiny holes called spiracles or trachea

Answer 2

Answer:

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Instead of lungs, insects breathe with a network of tiny tubes called tracheae. Air enters the tubes through a row of holes along an insect's abdomen. The air then diffuses down the blind-ended tracheae. Since the biggest bugs have the longest tracheae, they should need the most oxygen to be able to breathe.

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