How does the body respond to danger?
А
The fingers, toes, and digestive system receive more blood
and oxygen when our brains detect danger.
B
It uses chemical reactions to make the body readier to
escape danger or to fight.
С
Danger causes the brain to start a series of chemical
reactions that help keep the body in its normal state.
D
The brain releases hormones that make it harder to run and
easier to stand and fight.