nutrition and oxygen
Muscles need oxygen and i dont know
lungs and muscles
The muscles make things move, the skeleton provides the leverage and the structure on which everything is supported.
Muscles do two things: they can contract, and they can relax. They do not do anything else.
Bone and tissue baby
So that we can pull and push both.
You need two things before you can discuss difference between them!You need two things before you can discuss difference between them!You need two things before you can discuss difference between them!You need two things before you can discuss difference between them!
Because they control us and if we didn't have them we'd do things uncontrolled
you need muscles to move...
carbohydrates
drink lots of milk, and use the muscles to which the bones are attached.
protect you from the suns harmful rays and keep your muscles from showing.
Different muscles are involved in different movements.