This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Human circulatory system and Dr. William Harvey.. en Image from the frontispiece of The anatomical exercises of Dr William Harvey shows drawing of human circulatory system on table with books vines and an Asclepius staff propped up against portrait of William Harvey Courtesy of the National Library of Medicine Images from the