Question

how do insects breath ?
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Answer 1

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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.

Answer 2

Answer:

$For insects, respiration \: is \: separate \: from \: the \: circulatory \: system. \: Oxygen and \: carbon \: dioxide \: gases \: are \: exchanged \: through \: a \: network \: of \: tubes \: called \: tracheae. \: Instead of nostrils, insects breathe \:  through \: openings \: in \: the \: thorax \: and \: abdomen \: called \: spiracles.$

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