Muslim doctors made important discoveries aboutMultiple choice question.A)organ transplants.B)blood circulation.C)brain surgery.D)immunizations.

Muslim doctors made significant contributions to medicine during the Golden Age of Islam. Among their various achievements, they notably advanced the understanding of many medical fields.

A) Organ Transplants - While they did have knowledge of surgical techniques, organ transplants as we know them today were not practiced.

B) Blood Circulation - Ibn al-Nafis, a prominent Muslim physician, was the first to describe the pulmonary circulation of blood, which was a critical discovery in understanding the circulatory system.

C) Brain Surgery - Muslim physicians conducted advanced surgical procedures, including those on the brain, but their major contributions were not solely focused on this area.

D) Immunizations - Although they understood certain aspects of diseases, the concept of vaccination wasn't fully developed until later.

Given the options, the most pertinent choice would be:

Final Answer

B) blood circulation.