Question

the main breathing organ of pigeon is​

Answer 1

Explanation:

The respiratory systemconsists of external nostrils, glottis, larynx, trachea, bronchus and lungs. The external nostrils are a pair of slit like apertures occurring at the base of upper beak.

Answer 2

Answer:

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The respiratory system consists of external nostrils, glottis, larynx, trachea, bronchus and lungs. The external nostrils are a pair of slit like apertures occurring at the base of upper beak. They communicate to the pharynx by internal nostrils