answer: b
explanation: the reason being is that a, c, and d are why you should eat healthy but b just is the odd one out. i had someone ask me this be4 and i got it correct.
C the pupil its actually a muscle which is pretty interesting i think
Family history is the top risk factor for a person to get an Alzheimer's disease. This is because of heredity that a person cannot escape from. So it is important that a person must know the family history whether he or she can be a dominant carrier of this disease or not.
Nicotine is a dangerous and highly addictive chemical. It can cause an increase in blood pressure, heart rate, flow of blood to the heart and a narrowing of the arteries (vessels that carry blood).
