Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Your heart pumps blood from your head to your toes, provides cells with fresh oxygen, and removes waste products. Located in ...

Your body's circulatory system is a wondrous thing. It's made up of blood vessels that carry blood to and from your heart and also pumps blood to your lungs so you can breathe. It helps grow and ...

They’re the farthest points from your heart, often stuffed into shoes and easily forgotten. But your toes might be sending important messages about your cardiovascular health long before other ...