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 chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper sequence.

The researchers also noticed that activating the neurons constricted blood vessels and reduced blood flow from the heart to the brain — two more characteristic signs of fainting. But Augustine ...

Current lengthy MRI heart imaging technology has led to long waiting lists but remarkable new imaging technology can not only show the heart in 3D showing blood flow, direction, and velocity but ...

The four valves of the heart allow blood to flow through the heart in the right direction. The valves open or close each time the heart beats. Problems with the heart valves can lead to ...

A Leonardo diagram showing the heart and its blood vessels, with his mirror writing annotating it ... letting blood flow around the heart - holds true today, but is not widely known.