The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body.

A live water birth is shown and real life images combined with CGI to illustrate the anatomy and function of the circulatory system. This short film is from the BBC series, Inside the Human Body.

It also has up-close images of mitochondria ... film takes us on a journey around the circulatory system using the example of a baby's first breath. Human fertilisation. videoHuman fertilisation ...