1: Body 2: Massage 3: Physical activity 4: Therapy 5: Muscular Strength 6: Training 7: Weight 8: Muscular Endurance 9: Injury 10: Food 11: Protection 12: Fitness 13: Activity 14: Stretching 15: Exercise 16: Muscle group 17: Flexibility 18: Swimming 19: Nutrition 20: Effort (As of 17:44)
Muscles are the engines in our body. --->muscle
