Hank fills us in on the endocrine system - the system of glands that produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development & function. References: http://www.vivo.colostate.edu/hbooks/pathphys/endocrine/hypopit/anatomy.html http://www.vivo.colostate.edu/hbooks/pathphys/endocrine/index.html http://www.khanacademy.org/science/healthcare-and-medicine/v/intro-to-the-endocrine-system http://www.ncbi.nlm.nih.gov/pubmed/21540080 http://www.ncbi.nlm.nih.gov/pubmed/9807636 http://www.biologicalpsychiatryjournal.com/article/S0006-3223(98)00169-3/abstract Table of Contents 1) Signalling Systems 2:07:0 2) Pituitary 3:19:1 3) Hypothalamus 4:17:1 4) Thyroid 4:52:1 5) Adrenal 5:38:1 6) Pancreas 6:51:1 7) Biolography 8:49:2 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: null