While the movements of the smooth muscles are always involuntary, those of the skeletal muscles are almost always the result of a conscious, voluntary command from the central nervous system. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / QA International |
Taille de l’image : | 6000 px × 12000 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |