Air Sac Anatomy in Domestic Fowl (Gallus gallus domesticus):
The domestic chicken possesses 9 avascular pulmonary air sacs that act as bellows to drive unidirectional airflow through the parabronchi of the lungs:
Single Interclavicular Air Sac (median).
Cervical Air Sacs (paired).
Cranial (Anterior) Thoracic Air Sacs (paired).
Caudal (Posterior) Thoracic Air Sacs (paired).
Abdominal Air Sacs (paired, largest).
Total = $1 + 2 + 2 + 2 + 2 = \mathbf{9}$ air sacs.
nalysis:
(9): Correct.
Correct option: (3) 9
Explanation not matching this question?क्या व्याख्या इस प्रश्न से मेल नहीं खा रही?Report