JOHN BAVOSI / SCIENCE PHOTO LIBRARY JOHN BAVOSI / SCIENCE PHOTO LIBRARY
Skeletal muscles. Illustration showing the human skeletal muscle system (anterior view). The white regions are tendons which attach the muscles (red) to the bones of the skeleton. Also known as voluntary muscles, these muscles are under direct conscious control. Skeletal muscle accounts for up to 45 per cent of body weight.
Model release not required. Property release not required.