This new imaging technique, when applied to humans, could both improve our understanding of the circulatory system (veins, ...

Vasodilation is a function within the circulatory system that occurs when the smooth muscles in the blood vessels relax, allowing the blood vessels to widen or dilate. This increases blood flow to ...

Blood microcirculation is a complex network that transports blood to tissues and organs through tiny blood vessels. When this mechanism functions properly, cells receive the oxygen and nutrients they ...

A stroke occurs when blood flow to the brain is interrupted, causing brain cells to shut down. This can lead to a wide range ...

Kim Kardashian's recent revelation about being diagnosed with an aneurysm has sent shockwaves through the media and her fanbase. In a teaser clip from the latest season of "The Kardashians," she opens ...

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 ...