Reapitaory System Flashcards
Tidal volume
Volume of air inhaled or exhaled per breath
Breathing rate
Number of breaths in one min
Minute ventilation
Vol of air inhaled or exhaled per min
IRV
Vol of air that can be forcefully inspired after a normal inhalation
ERV
Max vol of air that can be forcefully expired after normal exhalation.
Residual volume
Vol of air that remains in lungs after max exhalation.
Responses to excersise
Tv-
BR-
MV-
IRV-
ERV-
RV-
Increase
Increase
Increase
Decrease
Decrease
Same
Responses to submaximal excersise
Anticipatory rise
Increase of cardiac output
Increase of heart rate
Increase demand for oxygen
Responses to maximal excersise
Cardiac output increases
Increase damnd for oxygen
Partial pressure meaning
Pressure exerted by an individual gas when it exists within a mixture of gases
Pressure gradient meaning
The difference in partial pressure
Bigger gradient the faster the diffusion.
Oxygen will diffuse from the alveoli into blood until it’s equal.