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Describe the mechanisms, anatomy, and physiology of INHALATION in the bird lung and in the human...

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Medical Sciences

Describe the mechanisms, anatomy, and physiology of INHALATIONin the bird lung and in the human lung.

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3.8 Ratings (630 Votes)
Mechanism and physiology Human inhale by moving the diaphragm to lower the air pressure in the chest cavity and pull air into lungs The human chest cavity is always at a lower pressure than the outside environment usually 760mmHg at the sea level But birds have air sac that store and pump the air through the stationary lungs Unlike in mammals air flows in one direction through bird lungsWith the help of this airsac which help in taking oxygen during exhalation Birds can breathe at much higher level than mammals because of more efficient lung structure Avian respiratory system play an important role in thermoregulation When fresh air is first inhaled through a birds nares    See Answer
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