How do insects breathe?
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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. Insects that are diapausing or non-mobile have low metabolic rates and need to take in less oxygen.
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Hey Buddy!!
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==>Insects breathe in and out through holes, called spiracles, all over their bodies. Some insects close the holes now and then. ... The opening and closing of spiracles is controlled in a way that exhales carbon dioxide as needed without inhaling too much oxygen.
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