Vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inhalation.

Watt's case was unusual in that it mainly affected his gastrointestinal tract, leaving his lungs largely unaffected this unusual presentation contributed to a delay in proper diagnosis.

Israeli soldiers sprayed the boat with bullets, the 'dum dum' exploding bullets hitting Rafiq in the back and exploding into numerous tiny shrapnel pieces which pierced his lungs and remain dangerously close to his spine, impossible to remove.

And the very first day that this fellow, John Allen, walked in, to spend a couple of days in there with all the plants and animals and bacteria that we'd put in there to hopefully keep him alive, the doctors were incredibly concerned that he was going to succumb to some dreadful toxin, or that his lungs were going to get choked with bacteria or something, fungus.