A&P- Respiratory system definitions Flashcards
(7 cards)
Define Diffusion
The movement of gases from an area of high partial pressure to an area of low partial pressure
Define Partial pressure
The pressure exerted by an individual gas in a mixture of gases
Define Tidal volume
The volume of air breathed in or out per breath
Define Expiratory reserve volume
The volume of air that can be forcibly expired in addition to tidal volume
Define Inspiratory reserve volume
the volume of air that can be forcibly inspired in addition to tidal volume
Define Residual volume
The volume of air which must remain in the lungs after maximal expiration to prevent the lungs from collapsing
Define Minute ventilation
The volume of air inspired or expired per minute
MV= TV X BR