Skip main navigation

Function of the circulatory system

The function of the circulatory system explained in a video from the free online course Heart Health: A Beginner's Guide to Cardiovascular disease.

Watch Dr Natasha Barrett explain the function of the circulatory system, which pumps the blood around the body transporting oxygen and carbon dioxide.

You can download the Week 1 supplement, which contains additional images and descriptions to help you understand the topics covered in this video.

Why do you think the deoxygenated blood goes back to the heart and not straight to the lungs?

This article is from the free online

Heart Health: A Beginner's Guide to Cardiovascular Disease

Created by
FutureLearn - Learning For Life

Reach your personal and professional goals

Unlock access to hundreds of expert online courses and degrees from top universities and educators to gain accredited qualifications and professional CV-building certificates.

Join over 18 million learners to launch, switch or build upon your career, all at your own pace, across a wide range of topic areas.

Start Learning now