Calories, you need calories to function. calories are found in food.
1)muscular endurance
2)bench pressing a heavy weight two times (two repetitions)
3)Unsure.
4) range of motion
5)true
6)true
7)golf
8)body composition
9)static
10) ballistic and static
Yes, you can even get caffeine poisoning, Good Luck
Genetic factors and rate of maturity I believe
