An artist's representation of what nerves and nerve bundles look like at the microscopic level. It also shows how the anatomy of a nerve allows it to transmit electrical signals and communicate with other neurons (nerves).

This video shows before and after pictures of the women who received the first full face transplant in the United States. It recounts her story and how she has overcome some of these challenges through face transplant. Note, this video may be disturbing to some viewers due to its graphic nature.

This animation shows the steps involved in an anterior cervical disc replacement. The cervical spine is the spinal area that supports the head while the disks of the spine are the relatively soft areas between individual vertebra (spinal bones). As the animation shows, this cervical disc replacement involves the removal of the natural, diseased cervical disk and the replacement with an artifical joint.

The body's ability to maintain balance and purposeful movement depends on complex processes. This narrated animation explains how the brain and inner ear structures work together to maintain balance and proper orientation of the body.