This video describes how the circulatory system works, how disease can affect blood vessels (atherosclerosis), and how doctors use angiography to test for coronary artery blockage.

Sometimes used interchangeably, coronary angioplasty and stenting are actually two separate procedures. This video shows how coronary angioplasty and stenting are performed and how the two procedures differ.

A narrated video that provides a detailed overview of the anatomy of the arm, wrist, and hand. It also shows how muscles interact with bone to create movement. Once these are explained, carpal tunnel syndrome is described and one way in which carpal tunnel surgery is performed to correct the problem.

This 3D animation explains how the heart muscle contracts to pump blood throughout the body. The action of cells at the microscopic level affects the function of the entire cardiovascular system, as the video explains.