Dilation of the pupil occurs when the smooth cells of the radial muscle, controlled by the sympathetic nervous system (SNS), contract. Constriction of the pupil occurs when the circular muscle, controlled by the parasympathetic nervous system (PSNS), contracts.
True (i had to add this because my answer was too short sorry)
Answer:
3. avoid junk food,eat nutritious meals low in fat and sugar, and exercise for about 30 minutes each day.
Explanation:
because Jackson is still young and junk food can be very addictive. and not to forget many junk foods contain a lot of fat and sugar.
Also known as an essential mineral, macrominerals are needed in large quantities in the human body. <span />
C restrictive but I'm not entirely sure
