Diagram of the ventricular systole phase of the human heart, created by Wapcaplet in Sodipodi, cropped and reduced in the GIMP. Uploaded on 24 Dec 2003
human heart during diastole |Source=http://commons.wikimedia.org/wiki/Image:Heart_diastole.png, http://commons.wikimedia.org/wiki/Image:Heart_systole.svg
DescriptionHeartsystole.svg English: Diagram of the ventricular systole phase of the human heart. This is an svg version of the png image Image:Heart_systole.png