1: Body 2: Physical activity 3: Exercise 4: Strength 5: Muscular Strength 6: Weight 7: Fitness 8: Flexibility 9: Protection 10: Endurance 11: Muscular Endurance 12: Metabolism 13: Body Composition 14: Balance 15: Supplement 16: Training 17: Diet 18: Energy 19: Blood 20: Muscle group (As of 17:22)
Muscles are the engines in our body. --->muscle
