(A) Alveoli (X)
(B) Air sacs (X)
(C) Bronchi (X)
(D) Parabronchi ()
Answers: Gaseous exchange in birds occurs at level of Parabronchi.
(A) Alveoli (X)
(B) Air sacs (X)
(C) Bronchi (X)
(D) Parabronchi ()
Answers: Gaseous exchange in birds occurs at level of Parabronchi.
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