Question

What is the site of exchange in an insect​

Answer 1

Insects use air-filled tubes called tracheae to exchange oxygen and carbon dioxide between their tissues and the air.

Answer 2

Answer:

Insects use air-filled tubes called tracheae to exchange oxygen and carbon dioxide between their tissues and the air. This network of tubes is also called a tracheal system. Insect body contains small openings on the outer surface called spiracles. Spiracles are connected to the internal tubes.