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

Learn about and revise the cardiovascular system with this BBC Bitesize GCSE PE (Edexcel) study guide.

Learn about and revise the cardiovascular system with this BBC Bitesize GCSE PE (AQA) study guide.

And where it all happens”the Land of Oz”is your circulatory system. Here is why your circulatory system function relies on your heart and veins working together for you to stay healthy.

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

The cardiovascular system functions as an intricate network, pumping blood from your heart to every extremity, including your feet—the body’s farthest points from the heart.