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The circulatory system: diagram showing the heart, arteries, lungs and major organs, with a cartoon-style face and hands. Watercolour drawing by J.C. Whishaw, ca. 1853.

Reference Article: Facts about the human circulatory system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The circulatory system, also ...

What are the main arteries of the body? Illustrations and lists breakdown this major part of your circulatory system.

The cardiovascular system, including the heart, blood and blood vessels, acts as closed transport system for the body.

As a central part of the circulatory system, the heart is primarily responsible for pumping blood and distributing oxygen and nutrients throughout the body.

Learn about the circulatory system with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

What are arteries, and what does each type do? Here, learn about arteries' roles in the circulatory system.