Answer:
William Harvey
Step-by-step explanation:
William Harvey was an English physician who lived at the end of the 16th and beginning of 17th centuries. He accurately described, for the first time, blood circulation and how blood properties were distributed throughout the body due to the heart's pumping. This discovery confirmed Descartes' ideas who said that veins and arteries were tubes that transported nutrients throughout the body. Moreover, an important precedent to Harvey's discoveries was the study of blood circulation made by medieval Muslim scientists, especially that of Ibn Nafis, who explained how lungs' veins worked. The work of William Harvey put an end to Galeno's model that associated veins blood and arterial blood with different functions.