This video tell us about porphyrias, their structure, how they are made and the steps which are involved in heme synthesis together with the function of porphyrias. Watch the video and learn more. TIMELINE: 0:01 Introduction 3:22 Structure of porphyrias 4:42 How are porphyrias made? 5:16 Heme 7:42 Steps involved in heme synthesis 10:27 Porphyrias function 11:49 End