Question

respiratory organ of sparrow​

Answer 1

Answer:

The ventilation process of a house Sparrow, which is seen in all birds, is called “flow-through ventilation”. This process requires all nine flexible air sacs. These air sacs acts as bellows to move air through almost completely rigid lungs. This system keeps the amount of air in the lungs constant.

Explanation:

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Answer 2

Explanation:

Birds can breathe through the mouth or the nostrils (nares). Air entering these openings (during inspiration) passes through the pharynx & then into the trachea (or windpipe). The trachea is generally as long as the neck.

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