Supplying energy for body functions carbohydrates
I think the answer for this is D. Cuze panic and nervousness is definitely a trait of anxiety. Panic can be too cause of worrying to much can lead to it. D doesn't sound right cause passive behavior by diffinition would be that when someone is resisting or refusing to do what they are told or just trying to make someone really upset. Hope this works.
Go to this link it shows you everything. http://npic.orst.edu/health/child.html
Swimmers apply the principle of overload by being consistent with their workouts on a everyday basis.