The looks of impatience and annoyance disappeared from all the faces of the Elders. Even the face of the oldest Elder among them showed an expression of shock after hearing Jun Wu Xie's words.
The nurturing and development of veins and arteries was the most complicated among the various fields in the study of Medicine. The intricate weave of the multitudes of intertwined veins and arteries within a human body alone was enough to give anyone a headache, needless to say the study and knowledge required in the corrections and treatments needed when a problem is uncovered!