'William Harvey showed that this organ is the center of circulation, not the liver as had been thought'
Heart
THE SWEET 1600s: William Harvey showed that this organ is the center of circulation, not the liver as had been thought
William Harvey showed that this organ is the center of circulation, not the liver as had been thought
William Harvey showed that this organ is the center of circulation, not the liver as had been thought
THE SWEET 1600s
Heart
THE SWEET 1600s