a. What is the name of the respiratory organ of cow
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The opening from the pharynx leading to the continuation of the respiratory passageway is the glottis. Midsagittal section of the head of a cow with nasal septum removed. The stippled area represents the pathway of air through the nasal cavity, pharynx, and trachea. The glottis is the opening to the trachea.
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lungs
In land animals the respiratory surface is internalized as linings of the lungs. Gas exchange in the lungs occurs in millions of small air sacs called alveoli in mammals and reptiles, but atria in birds.
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