Top Posters
Since Sunday
c
5
j
5
a
5
L
5
f
5
j
5
D
4
k
4
y
4
t
4
h
4
l
4
SlideshowReport

An Artificial Smile

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.
Related Images
Add Comment
Explore
Post your homework questions and get free online help from our incredible volunteers
  818 People Browsing
 160 Signed Up Today
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 292