Which Muslim scholar is credited with early significant contributions to understanding pulmonary blood circulation, predating later European discoveries?

Explanation

– Ibn al-Nafis is credited with early significant contributions to understanding pulmonary blood circulation, describing the movement of blood through the lungs centuries before similar findings in European medicine.
– His detailed anatomical observations challenged some previously accepted medical theories, reflecting his careful and methodical approach to medical scholarship.
– For exams, note that his contributions in this specific area were not widely recognized in the broader historical narrative of medical science until relatively recent scholarly rediscovery.