the.com/asphyxia
The body's most pointed reminder that breathing was never optional.
means A dangerous condition where the body is deprived of oxygen, from suffocation, choking, or blocked airflow.
from From Greek asphyxia, literally a stopping of the pulse — a-phyxis, no throbbing — though it grew to mean no air, since the ancients linked breath and beat.
Original senseMeant pulselessness, not breathlessness, in early Greek.
Oxygen lagBrain damage begins within minutes of deprivation.
Many causesDrowning, strangling, smoke, and certain gases all qualify.