It Is Midsummer and Julie Was Out Playing Softball All

It is midsummer and Julie was out playing softball all day. She had to leave the game early because she was not feeling well. What is most likely happening to Julie?

A) Her body is dehydrated and her core body temperature is increasing.
B) Her body is dehydrated and her core body temperature is decreasing.
C) Her body is fatigued from all of the exercise.
D) Her muscles are cramped up due to a lack of calcium.
E) Her aerobic conditioning was not strong enough to handle all of the exercise.