Answer:
Ureteral pain (from a kidney stone)
Explanation:
A. Build stamina. The Aerobic energy system kicks in roughly 60 seconds into exercises and continues to be used until energy ceases.
Muscular endurance. muscular= muscles, endurance= working something for long periods of time w/o getting tired.
Vacation time allows her the time to be away from work and also spend time with family and kids. This would allow Christine to work her regularly scheduled hours and the company would not have to alter their or change their working hours. The company could simply assign someone else her job while she is out on vacation time.