Lisa is getting older and wants to always have a good memory. Lisa exercises on a regular basis as she knows that this increases the body’s oxygen, energy, and waste removal. What is the BEST benefit of staying fit in terms of Lisa’s memory?
A.
Staying fit removes old brain cells.
B.
Staying fit creates new brain cells.
C.
Staying fit returns brain cells to the blood.
D.
Staying fit releases brain cells into pathways.
