1. The longest muscle has muscle cells that can be over a foot long.
2. There are 640 individual names for muscles.
3. The hardest working muscles in the body are the muscles in the eye.
4. It takes 17 muscles in the body to smile.
5.On average, probably 40% of your body weight is in muscles.
2. There are 640 individual names for muscles.
3. The hardest working muscles in the body are the muscles in the eye.
4. It takes 17 muscles in the body to smile.
5.On average, probably 40% of your body weight is in muscles.