PHYSIOLOGY
GENERAL PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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I and II only
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I and III only
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II and III only
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I, II and III
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Detailed explanation-1: -The conducting airways, which serve to conduct, clean, warm, and moisten the air. This portion is composed of the nose, pharynx, larynx, trachea, bronchi, and bronchioles.
Detailed explanation-2: -The conducting zone of the respiratory system is made up of the nose, pharynx, larynx, trachea, bronchi, bronchioles, and terminal bronchioles; their function is to filter, warm, and moisten air and conduct it into the lungs.
Detailed explanation-3: -The smallest branches of the bronchial tubes are called BRONCHIOLES, at the end of which are the air sacs or alveoli. ALVEOLI are the very small air sacs where the exchange of oxygen and carbon dioxide takes place.
Detailed explanation-4: -This region of the respiratory system acts in conditioning, cleaning and warming of air to and from the gas exchange sites in the lungs. The respiratory zone includes the respiratory bronchioles, alveolar ducts, alveolar sacs and alveoli.