Thank you to the sponsor of this video, LetsGetChecked! Visit http://trylgc.com/iha and use the code IHA30 to get a 30% discount on your home test kit! ____ How An Erection Works ____ In this video, Jonathan from the Institute of Human Anatomy discusses the mechanism behind human erections. ____ Cool Stuff Merchandise https://beacons.page/instituteofhumananatomy Support Us on Patreon! https://www.patreon.com/instituteofhumananatomy Codex Anatomicus https://codexanatomy.com/?ref=IOHA Coupon Code for 20% OFF: IOHA20 ____ Video Timeline 00:00 - 00:55 Intro 00:56 - 01:13 What is an Erection? 01:14 - 01:50 Psychologically "Initiating" an Erection 01:51 - 02:42 The Most Sensitive Structure of the Penis - The Glans 02:43 - 03:51 How the Spinal Cord and the Parasympathetic Nervous System Influence Erections 03:52 - 05:14 The Importance of Testosterone in Sexual Function & LGC! 05:15 - 06:41 Important Erectile Tissues Within the Penis 06:42 - 07:48 "Scenarios" That Can Cause an Erection 07:49 - 08:31 How We Get the Signal To the Erectile Tissue 08:32 - 09:53 Here Comes the Blood... 09:54 - 10:31 The Amazing Reproductive Structures and again... LGC! Thanks! ____ Audio Credit: www.bensound.com Video Editor: Ashley Bigbie https://ashleybigbie.com ____ #LetsGetChecked #Testosterone #Anatomy