Volume that cannot be voluntarily exhaled
Residual volume
1200ml
Volume inhaled/exhaled per breath at rest
Tidal volume
500ml
Maximal volume inhaled after normal inhalation
Inspiratory residual volume (IRV)
3100ml
Maximal okoume exhaled after normal exhalation
expiratory residual volume (ERV)
1200ml
Maximal volume exhaled after maximal volume inhaled
Vital capacity
TV + IRV + ERV
4800ml
What is total lung capacity?
VC + RV
6000ml