Each 2.54 square centimetre (a square inch) of human skin has six metres (20ft) of blood vessels. Veins hold about 65 per cent of the body's blood and have one-way valves tohelp blood move.

The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body.

Discover how your kidneys and blood pressure are secretly linked, plus 6 vital strategies to protect both systems and prevent ...

There are three types of blood vessel: arteries, veins and capillaries. The heart is a muscular organ that pumps blood around your circulatory system. The circulatory system is the heart and all ...

Cold toes, color changes, and swelling could be early signs of poor circulation. Here's how your toes signal cardiovascular ...

Is your heart getting the care it deserves? Learn from a dietitian's top tips on how to protect your heart with everyday food ...

Scientists have found that the aorta acts like a 'second heart,' using stretch-and-recoil power to pump blood—revealing a ...