Your skin, hair, muscles and organs are mostly made up of protein.
carbohydrates
Water
An essential nutrient that makes up more than 50% of your body weight, important for growth, building and maintaining muscles, and supplying the body with energy, among other things
Nutrient? That would be fat. But if you mean substance, that would be water.
our blood carries nutrient to our muscles
An essential nutrient that makes up more than 50% of your body weight, important for growth, building and maintaining muscles, and supplying the body with energy, among other things
Protein
phosphorus
muscle fibres
protiens
water.