We get tired after exercise because our muscle fibers get tired very quickly. This is due to the major source of energy for the muscle tissue, called adenosine triphosphate, or ATP. As the muscles make use of this supply of energy, they get tired and fatigue.
She has herpes. Herpes is a virus that remains in your system despite the fact they visual symptoms go away.
Okay I will. Thanks for the advice.
D is the answer because i took the same test and got it right