Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.

Your circulatory or cardiovascular system serves a vital function by delivering oxygen and nutrients to all the organs and tissues of your body. Learn more about how the circulatory system works ...

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.

How the circulatory system works The heart lies at the center of the circulatory system and pumps blood through the rest of the network.

Learn how the heart pumps blood round the circulatory system in this guide for learners at 2nd Level Science in Scotland's Cfe Curriculum for Excellence.

The cardiovascular system, also known to some as the circulatory system, consists of the heart, blood vessels, and blood. Learn more about it here.