CORRECT ANSWER = HAN DYNASTY. (10 points)

The famous surgeon Huo To, was also an expert in acupuncture and moxibustion techniques. He realized the discrepancies in measurement and location of points due to the difference in body size of different patients and developed the system of measurement that is often used today. The unit is based on the width of the phalangeal joint and is called an "identical unit" or "proportional unit".