Try using the internet. It can be very useful at times.
The first of the four stages Piaget uses to define Congnitive development
The goal is to stay fit and healthy.
Small intestine! hope this helps
Tommy most likely had ADHD - attention deficit hyperactivity disorder. It is a behavioral condition where children are unable to control their actions, they have problems with concentrating, obeying rules, sitting or standing still, they are impulsive and inattentive.