Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?
A. Cockroach
B. Earthworm
C. Aves
D. Frogs
Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?
A. Cockroach
B. Earthworm
C. Aves
D. Frogs