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.

A large portion of the stomach is removed during a sleeve gastrectomy. This video provides a 3D animation of how the procedure is performed and what the gastrointestinal system looks like afterwards.

This video shows a close up view of bone anatomy and how blood is delivered to bone.

This video shows how the large intestine or colon is removed through laparoscopic surgery. The perspective is that of the surgeon performing the colectomy or colon resection. A note to viewers, this video shows surgery on an actual patient. The anatomical landmarks are not labeled, but described by the surgeon narrator.