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The muscles of the body are what make the body move. They are made of muscle tissues.

All of the muscles of the body together make up the muscular system.

Signals from the nervous system tell the muscles when to move. The muscles are attached to the skeleton which holds them up.

The muscles of the body are what make the body move. They are made of muscle tissues.

All of the muscles of the body together make up the muscular system.

Signals from the nervous system tell the muscles when to move. The muscles are attached to the skeleton which holds them up.

The muscles of the body are what make the body move. They are made of muscle tissues.

All of the muscles of the body together make up the muscular system.

Signals from the nervous system tell the muscles when to move. The muscles are attached to the skeleton which holds them up.