Part 3 in a 7 part lecture on the respiratory system in a flipped Human Anatomy course taught by Wendy Riggs. CC-BY. Watch the whole lecture (all 7 videos) by going to the PLAYLIST: http://www.youtube.com/playlist?list=PL5GRRRmaGVqXtlkMBZJDRRUPxkFR2R6wG
