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.

Scientists have for the first time grown functioning human blood vessel organoids from stem cells in the lab ... “Every single organ in our body is linked with the circulatory system [so] this could ...

Researchers have developed a cutting-edge chip technology capable of precisely mimicking the interactions between cancer ...

And through those blood vessels ... human could lose 65% of their liver and ultimately be no worse for wear, since it would grow back over just a few months! So when you think about it, your body ...

Find out about the different stages of a human life cycle and how ... system takes oxygen around the body. What is in your blood? Discover how blood vessels and blood cells help keep your body ...

The circulatory system is the heart and all the blood vessels in the body which carry cells and substances to all its parts. The heart is a large muscular organ which pumps blood to the lungs and ...