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Which of the primary bronchi is the most common site for lodging of a foreign object that has entered the respiratory passageways?
Cleanse, warm, humidify
The major functions of the nasal cavity are to ____, _____, and ____ the incoming air.
Mucous membrane-lined cavities called ____ are found in several bones surrounding the nasal cavity.
The passageway common to the digestive and respiratory systems, the ____, is often referred to as the throat.
Hyaline cartilage, pressure changes
Reinforcement of the trachea with ____ rings prevents its collapse during ___ changes that occur during breathing.
The fact that the rings are incomplete posteriorly allows a food bolus to bulge ____ during its transport to the stomach.
The larynx or voice box is built from many cartilages, but the largest is the ____ cartilage.
Vocal folds, speak
Within the larynx are the ____, which vibrate with exhaled air and allow the individual to ____.
With the exception of the stroma of the lungs, which is ____ tissue, the lungs are mostly air spaces, of which the alveoli comprise the greatest part.
The bulk of the alveolar walls are made up of squamous epithelial cells, which are well suited for their ____ function.
Surfactant, reduce surface tension
Much less numerous cuboidal cells produce a fluid that coats the air-exposed surface of the alveolus and contains a lipid-based molecule called ____ that functions to ____ of the alveolar fluid.
If this pressure becomes equal to the atmospheric pressure, the lungs collapse
Condition characterized by fibrosis of the lungs and an increase in size of the alveolar chambers
Condition characterized by increased mucus production, which clogs respiratory passageways and promotes coughing
Infection spread by airborne bacteria; a recent alarming increase in drug users and AIDs victims
Electrolyte, Water, Acid-base
The kidney is a major homeostatic organ because it maintains the ____, _____, and ____ balance of the blood.
Kidneys, ureters, peristalsis
Urine is continuously formed by the ____ and is routed down the ____ by the mechanism of ____.
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