Who was a famous Muslim "doctor"? What did he do?
A famous Muslim doctor was Ibn Al-Nafis and he was the first scholar understand the respire-circulatory system even though his knowledge was incomplete, he knew that the heart was split into two halves and he stated that the blood could only travel from one side of the heart to the other by passing through the lungs. He also made remedies from all across the world and he introduced mathematics into the administration of treatments. These are most of Ibn Al-Nafis’ contributions to medicine.