The baby's lungs stop breathing (apnea) and the baby's heart stops beating.
Why do the lungs and heart stop functioning?
Because the relevant nerve impulses from the brain don't reach the lungs and heart to cause them to function.
Why don't the nerve impulses reach the lungs and heart?
Because the nerves stop transmitting the impulses.
Why do the nerves stop transmitting the impulses?
Because of the accumulation of acetylcholine in the blood.
Why does acetylcholine accumulate in the blood?
Because the cholinesterase enzyme is deactivated.
What de-activates the cholinesterase enzyme?
What are these anticholinesterase agents?
Nerve gases formed from compounds of phosphorus, arsenic, and/or antimony.