Which statement describes a response to external stimuli?
a)a girl eats food when she is hungry
b)a child becomes hyperactive due to a chemical imbalance
c)a person yawns when oxygen levels in the blood are low
d)a boy sneezes when exposed to cat dander

Question

Nightmoon · Answer

Answer = A
Hunger is a balance of blood levels and eternal issues. Cat dander is not something the body creates and has nothing to do with a person's health-

Nightmoon · Answer

Nor is cat dander made from the body, unless your a cat-

Lyraleii · Answer

A external stimuli is a reaction to something in the environment, d) a boy sneezes when exposed to cat dander