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.

Watch nutrients flow through an underground circulatory system that connects fungi and plants. A new study shows how these ...

My fiance and I plan to have kids someday. I was wondering if it would be beneficial to keep our babies’ umbilical cords, ...

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.

Circulatory system: Blood vessels Laid end-to-end, an adult's arteries, veins and capillaries would stretch for about 100,000 miles - enough to wrap around the world nearly four times.

The heart is a muscular organ that pumps blood around your circulatory system. The circulatory system is the heart and all the blood vessels in the body which carry cells and substances to all its ...

Pulmonary sarcoidosis is a lung disease characterized by granulomas—tiny clumps of immune cells that form in response to ...