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.

So it's a good job we've got the circulatory system to transport nutrients, water and oxygen to the entire body. Inside you, there is an amazing network of blood vessels, the tubes that carry ...

the lymphatic system. Considerable adaptability built into vertebrate circulatory systems: Considerable variation in blood vessels, as seen in shark Due to developmental origin of blood vessels: many ...

Maintaining good circulation is vital for overall health and well-being. Every day, your heart tirelessly pumps blood through ...

A Finnish study found that prolonged standing at work had a negative impact on the research participants' 24-hour blood ...

Prolonged standing at work had a negative impact on blood pressure and in contrast, spending more time sitting at work was ...