Who first described the circulation of blood and the functioning of the heart in 1628?

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William Harvey was the first to accurately describe and publish the previously unknown mechanisms behind the circulation of blood in the human body and the role the heart plays in this process in 1628. Antonius van Leeuwenhoek is known for being one of the first microscopists and discovering single-celled organisms, but he did not make any significant contributions to the understanding of the circulatory system. Leonardo da Vinci is famous for his anatomical drawings, but he did not publish any groundbreaking discoveries related to the heart or circulation. Wilhelm Roentgen discovered X-rays in 1895, which revolutionized medical imaging, but he did not contribute to the understanding of the heart or circulation.

Who First Described the Circulation of Blood and the Functioning