The heart is a muscular organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids ...

Official site includes news, tour dates, journal, photos, biography, discography, and video clips.

Heart is a rock band whose founding members came from Seattle, Washington in the early 1970s. Going through several lineup changes, the only constant members of the group are ...

Learn more about the American Heart Association's efforts to reduce death caused by cardiovascular disease.

noun . 1. Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to ...