Each 2.54 square centimetre (a square inch) of human skin has six metres (20ft) of blood vessels. Veins hold ... is caused by an impairment of blood circulation.

The aorta, a large blood vessel responsible for transporting oxygenated blood from the heart to the rest of the body, plays a ...

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 ...

Blood serves many life-giving functions. It is composed ... 161,000km of blood vessels that form the adult human circulatory system. Keeping well hydrated is important for keeping our blood ...

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

Poor circulation affects more than just your hands and feet. Learn how it might be impacting your brain, skin, and more.

The interaction between the brain and the vascular system could hold the key to lowering disease risk. According to the ...

This protection is necessary because if the immune system recognizes them ... reshape our understanding of blood vessels. They reveal that blood vessels function as "gatekeepers" regulating ...

Your circulatory system is made up of three parts: the heart, blood vessels and the blood itself. Your heart keeps all the blood in your circulatory system flowing. The blood travels through a ...