Faith has begun exercising and eating light and brain-healthy foods. Lately, she has been feeling better rested, and it seems as though she can think about and work through problems better than before. What MOST likely explains these changes?
A.
Faith’s nervous system has eliminated pathways of neurons.

B.
Faith’s new habits have lowered her reliance on hormones.

C.
Faith’s brain has been released from managing basic physical functions.

D.
Faith’s metabolism is working at a higher level.