Explain the role of air sacs in respiration.
Answers
Answered by
2
Answer:
Air sacs are found as tiny sacs off the larger breathing tubes (tracheae) of insects, as extensions of the lungs in birds, and as end organs in the lungs of certain other vertebrates. They serve to increase respiratory efficiency by providing a large surface area for gas exchange.
Explanation:
mark as brain list....
Similar questions