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alveolus

functional unit of lung

densely vasculirized

the outer surface of alveolus is what?

collapse

elasticity of aveoli and surface tension of h20 film cause lungs to do what?

surfactant

work of breathing is decreased by ________________ secreted into fluid inner surface of alveoli

surfactant

detergent, lower surface tension

quiet breathing

what kind of breathing is done by movements of diaphragm?

inhale

diaphragm moves down

exhale

via passive recoil

heavy breathing

what kind of breathing is done where rib muscles raise and lower rib cage?

forced exhale

when done it adds abdominal muscle contraction

right

Temp increases right or left?

Right

decreased Ph right or left

right

increased co2

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