The lymphatic system keeps our tissues from retaining fluid and houses many of the key components of the immune system, like lymph nodes. Learn how this underappreciated body system is organized and how it functions.

The video is an animation of the LapBand adjustable gastric banding system. There is an explanation of how the LapBand's adjustable cuff works to meet the changing needs of the patient.

Despite being less than a minute long, this narrated animation explains the fate of food that we eat within the digestive tract.

An upper GI endoscopy is a procedure in which a thin tube is placed in the mouth and throat and advanced to the stomach and first part of the small intestine. As the animations shows, the endoscope contains a tiny video camera and often small surgical instruments which can be used for diagnosis or treatment.