 |
| Previous Image | Next Image |
| Description: The photograph shows Dr. Duchenne electrically stimulating muscles in the face of a volunteer, causing contraction of muscles around the mouth that become active during a smile. As Duchenne discovered, however, a true smile also involves muscles around the eyes.
Picture Stats: Views: 700 Filesize: 81.03kB Height: 825 Width: 682 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=21718 |