How do most insects respire? (1) Through skin (2) Through gills (3) By tracheal system (4) By lungs

How do most insects respire? (1) Through skin (2) Through gills (3) By tracheal system (4) By lungs
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(3) By tracheal system Explanation: Insects do not have lungs to do respiration. In insects respiration takes place through tracheae. Tracheae are tube like structures that open on the sides of their body through tiny holes called spiracles.
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