It also allows muscles to grow independently off the body wall.
"Others can lift weights a lot and their muscles don't grow much."
The strong muscles grew soft, they lay together in exhaustion.
Slowly, the body began to stiffen, the muscles growing rigid.
As muscles grew stronger, bone had to grow with it.
She was old now, and her muscles grew stiff too early in the game.
The muscles in his arms and chest had grown.
The muscles on the hands that held me grew more taut.
His muscles grew tired, then knotted, but he did not shift position again.
As these muscles grow stronger, so will your bladder control.