RetinaStreaming Video - 2013 | Spanish
As light enters the eye, it strikes the receptor cells of the retina called the rods and cones. A chemical reaction results in the formation of electric impulses, which then travel to the brain through the optic nerve.
Publisher: New York, N.Y. : Films Media Group, , c2004
Characteristics: 1 streaming video file (1 min.) :,sd., col