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Insects obtain oxygen through __________________________, which are small abdominal holes that lead into tracheal tubes called tracheae that branch out into smaller tubes called tracheoles. From there, oxygen diffuses into body cells.

Alveoli


Spiracles


Stomata

User Jayflo
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Oxygen travels to insect tissues through tiny openings in the body walls called spiracles, and then through tiny blind-ended, air-filled tubes called tracheae. Therefore, insects obtain oxygen through the spracles, which are small abdominal holes that lead into traecheal tubes called tracheae that branch into smaller tubes called tracheoles. From there, oxygen diffuses into body cells.
User Jeremy Meadows
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