Peripheral artery disease is a circulatory problem within the body in which some arteries reduce blood flow to body parts. When peripheral artery disease (PAD) happens, it usually affects the feet ...

Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.

The base of the largest blood vessel in the body. Medically reviewed by Christopher Lee, MDMedically reviewed by Christopher Lee, MD. The aorta is an artery and is the largest blood vessel in the ...