Answer:
A. Central nervous system
Explanation:
Dopamine is a neurotransmitter which plays the role of sending signals to the part of the brain that is responsible for movement and coordination.
When the dopamine levels are low , the individual isn’t able to move well and loses coordination because of the little or absence of signals to the part of the brain that controls these aspects.
Answer:
Do more out door activities
Explanation:
Kevin and Maggie do lots of healthy activeites
Proteins are the nutritional class which builds and maintains cells and tissues. The type are often called "structural" since they are like the scaffolding of cells and tissues.
I would say..
B.) One-quarter to one-third.
Good Luck! :)