What is the site of gaseous exchange in an insect?

Question: What is the site of gaseous exchange in an insect?

In insects, gaseous exchange occurs through a network of tubes called tracheae. These tubes connect to small openings on the insect's body surface called spiracles, which are the sites of gaseous exchange. When an insect breathes, air enters the tracheal system through the spiracles and is distributed throughout the body. As the air passes through the tracheal tubes, gases are exchanged between the body tissue of the insect and the outside air. The tracheal system in insects also serves other functions, such as transporting nutrients and eliminating carbon dioxide.

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