The image above is an example of Leonardo Da Vinci’s anatomical drawings created during his investigations into the Heart and its functioning in relation to the flow of blood. This particular anatomical work was a study of the Heart of an Oxen, this was because the cadavers of animals were easily accessible and it was not until later in his life that he was given permission to dissect human corpses and produce the most influential advances in the understanding of the anatomy of the human body. This drawing was created with pen and ink on blue paper and was developed by recording his observations whilst dissecting the corpses with a scalpel, these were the primary instruments used during his investigations. The drawings are complete with explanatory notes which explain his findings. Da Vinci discovered that the heart is a muscle which consists of four chambers and disproved the theory that the heart warms the blood. Da Vinci carried out these investigations out of his own personal interest in anatomy. His drawings were purely a record of his observations found in his notebooks. It is believed that his notebooks were personal journals and although he prepared to make his anatomical work public knowledge it was not to be published until long after his death.
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