The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body. Water ...

With each heartbeat, blood courses through your body. Some traverse arteries from the lungs back to the heart, and some navigate through capillaries in the thinnest layers of your eyelid, almost ...

Human bodies are designed to move in order to circulate blood and nutrients to every cell. Staying active and on the move is crucial to our health for a lot of reasons. But it's especially important ...

September is Peripheral Arterial Disease (PAD) month. Circulation is the process by which the heart pumps blood around the entire body. The body transports blood, oxygen, and nutrients to cells ...

Thrombosis occurs when one or more blood clots develop in a blood vessel or the heart. A thrombus (clot) forms when blood cells stick together when they shouldn’t. A clot can grow large enough to stop ...

The calf muscles play a vital role in blood circulation. They are often called the body's second heart. Strong calf muscles improve venous return and ...

The aged bathe in the restorative waters of the mythical fountain of youth in this 1546 oil painting by German Renaissance artist Lucas Cranach the Elder. Scientists have turned to studies of blood to ...