So it's a good job we've got the circulatory system to transport nutrients, water and oxygen to the entire body. If we could join all the blood vessels in a human body together end-to-end ...

Discover the warning signs of circulatory problems, from buttock pain to slow-healing wounds, plus the foods and activities that can improve blood flow naturally ...

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.

This short film offers a look at respiration and a tour around the circulatory system and digestive system in the human body, through blood vessels and into mitochondria. There is a detailed ...

Veins between two capillary networks are portal systems. Closed circulatory system, but fluid constituents of blood leak out of capillaries and return to the heart by the second component of the ...

000km of blood vessels that form the adult human circulatory system. Keeping well hydrated is important for keeping our blood freely moving. Dehydration coupled with immobility – on a plane ...