Muscles. Illustration of the muscles of the back in a man. These are skeletal muscles,which are under the conscious control of the brain and account for around 45% of the weight of the body. Muscles are mainly composed of proteins; in particular,the proteins actin and myosin are involved in making muscles contract | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Daugherty, John |
Bildgröße: | 2580 px × 4020 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
|