1: Body 2: Physical activity 3: Protection 4: Muscular Endurance 5: Flexibility 6: Muscular Strength 7: Food 8: Exercise 9: Energy 10: Fitness 11: Yoga 12: Training 13: Muscle group 14: Therapy 15: Nutrition 16: Cycling 17: Cardiovascular 18: Calorie 19: Activity 20: Heart (As of 19:34)
Muscles are the engines in our body. --->muscle
