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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
with the exception of the stroma in the lungs which is _____________ ______________
the bulk of the alveolar walls are made up of squamous epithelial cells which are well suited for their __________ ____________ function
Much less numerous cuboidal cells produce a fluid that coats the air exposed surface of alveolus and contains a lipid based molecule called ________________ that functions to __________ _____________ of the alveolar fluid
Diaphragm is contracted, moved down
INT VOL INC
INT PRESSURE DEC
SIZE OF LUNGS INC
DIRECTION OF AIR FLOW= INTO LUNG
Diaphragm is relaxed, moves superiorly
INT VOL DEC
INT PRESSURE INC
SIZE OF LUNGS DEC
DIRECTION OF AIR FLOW= OUT OF THE LUNG
a deep breath is taken the glottis is closed and air is forced out o fth elungs against the glottis clears the lower respiratory passageways
a deep breath is taken the glottis is closed and air is forced out of the lungs against the glottis just described but clears the upper respiratory passageways
increases ventilation of the lungs may be initiated by a need to increase oxygen levels in the blood
condition characterised by increased mucus production which clogs respiratpry passageways and promotes coughing
condition chracterised by fibrosis of the lungs and an increase in size of the alveolar chambers
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