Here are possible reasons why your hands and feet are always cold: ...

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.

As swimming season heats up, you might notice your fingers wrinkle after spending time in the water — turns out, those ...

The human hand consists of 27 bones, more than 30 joints, and a complex network of tendons, nerves, and blood vessels.