The Circulatory System is the system of organs in the human beings and other animals which is responsible for transport of materials inside the body.

This short film offers a look at respiration and a tour around the circulatory system and digestive system in the human body, through blood vessels and into mitochondria.

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 ...

Human bodies are designed to move in order to circulate blood and nutrients to every cell.

Zoe uses CGI graphics to explain the structure of the heart and the difference between veins and arteries. Suitable for teaching science at KS2 and First and Second Level.

The system of blood vessels in the human body measure about 60,000 miles (96,560 kilometers). Arteries carry oxygen-rich blood from the heart through the body.

The circulatory system includes the heart, blood vessels and blood, and is vital for fighting diseases and maintaining homeostasis (proper temperature and pH balance).