Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
anatomy aorta arteries attack audio background beat blink blood body capillaries cardiac cardiology cells circulation circulatory drum flash flow heart heartbeat human instant life loopable lungs muscle nerves organ platelets pounding pulsate pulsation pulse pump rate red respiratory rhythm rhythmic seamless signs sound throbbing thump thumping valve vascular veins vessels vital