A MUSCLES The movements your muscles make are coordinated and controlled by the brain and nervous system.
Katie should watch what she eats, this is because a lot of teenagers eat a large amount of junk food an average per day. Katie should also do a lot of exercise so that her body grows healthy and strong! Katie should choose vegetables and fruits and food filled with nutrients for the body, Katie should also not listen to negative peer pressure but use positive peer pressure to her advantage.
Children typically develop empathy when they are around 5 - 6 years old.
I hope this helped!! : )