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phys: Respiration
Respiration
15
Health Care
Graduate
05/06/2009

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Term
aveoli
Definition
air sacs that procide large surface area for gas diffusion
Term
region of lungs where gas exchange takes place
Definition
respitory zone
Term
trachea bronchioles and bronchi deliver air to the respitory zone
Definition
conducting zone
Term
visceral pleura
Definition
cover the lungs
Term
parietal pleura
Definition
lines chest wall
Term
potential space between the visceral and parietal pleuras
Definition
intrapleural space
Term
the intrapleural pressure is always less than the intrapulmonary pressure
Definition
true
Term
subatospheric
Definition
interpulmonary pressure during inhalation
Term
greater than atmosphreic pressure during
Definition
expiration
Term
boyles law
Definition
inverse relationship between volume and pressure of gas
Term
ease in which the lungs expand--the differnce between intrapulmonary and intra pleural pressure is
Definition
compliance
Term
elasticity
Definition
tendency to recoil after distension
Term
the surface tension of the fluid in the aveoli exert
Definition
force directed inward which resists distension
Term
law of laplace
Definition
the surface tension in smaller aveoli will be greater than that in larger aveoili
Term
pulmonary surfactant
Definition
is a combination of phospholipid and protein lowers the surface tension signifigantly
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