Humans lose consciousness when the oxygen supply to the brain gets low.
consciousness
The sudden drop in air pressure caused the captain to lose consciousness. My consciousness is still expanding.
Perdre connaissance.
Because Simon was high
As a verb, to lose consciousness suddenly. As an adjective, it can mean about to lose consciousness ("I feel faint; give me some smelling salts") or indistinct ("This old writing is very faint")
One doesn't lose consciousness because there is not enough of a change in the chemical attributes inside your body when you change position from sitting to standing.
Lack of oxygen to the brain.
Possibly, depending on what causes the blackouts.
you will die
The typical meaning of "pass out" is "to faint or lose consciousness." There are other meanings, depending on the context.
Yeah, right before you lose consciousness and die.