Choose from:
a). strangulation;
b). breathe;
c). lead poisoning;
d). death;
e). hippocampus;
f). painful;
g). loss;
h). die;
Given those answer options, answer the question: Fact 1: Brain cells die quickly if their oxygen supply is cut off. Fact 2: Air contains oxygen. Given the two facts above, what happens to brain cells when the air supply is cut off?
A:
d).