Diagram of the Human Circulatory System (Infographic) Infographics. By Ross Toro published 29 August 2013 When you purchase through links on our site, we may earn an affiliate commission.

The cardiovascular system is made up of your heart and your blood vessels. This heart anatomy diagram shows that blood flows from the right atrium into the right ventricle and out to the lungs ...

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 ...

The human heart and the miles of blood vessels that snake through the body are a wonder to behold. Made up of three independent components, the cardiovascular system functions best when these ...

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

The heart is the hardest-working muscle. It pumps out 2 ounces (57 grams) of blood with every heartbeat. Daily, the heart pumps at least 2,500 gallons (9,464 liters) of blood.