Using graphic animation, this video shows the step by step process for removing tonsils and adenoids, including these anatomical structures that are located in the throat.

This animation not only shows how the ear detects sound waves and converts those waves into nerve signals, but it also shows how cochlear implants work and allow patients with nerve deafness to hear.

This narrated 3D animation shows how the brain drives the specialized nerve cells of the pituitary gland and, in turn, how the pituitary gland effects other endocrine glands. The feedback regulation of the endocrine system is also described.

There are several reasons why a person's nose or sinuses can become blocked including a deviated septum or chronic inflamed nasal turbinates. This video shows actual footage from a surgery aimed at relieving this blockage through removal of these offending nasal structures.