I think it may be the flu?
Feedback on the job and of the employees know what they are doing
It is important to evaluate an exercise program before you participate because you don't want to severely injure yourself or push yourself beyond your exercise ability.
Answer: Internal influences may mean health hormones, as hormones are a key structure in how we function. An external influence could be sleep, as humans need sleep as a way to recharge, or diets as they have an effect on both hormones and physical durability
