Part 3 in a 8 part lecture on ENDOCRINE SYSTEM in a flipped Human Physiology course taught by Wendy Riggs. CC-BY. Watch the whole lecture (all 8 videos) by going to the PLAYLIST: http://www.youtube.com/playlist?list=PL5GRRRmaGVqWVsBVEz3vTnU5IN_Er7Xgr