Check out our Patreon page: View full lesson: Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Emma Bryce explains how this system regulates everything from your sleep to the rhythm of your beating heart, exerting its influence over each and every one of your cells. Lesson by Emma Bryce, animation by Daniel Gray. Thank you so much to our patrons for your support! Without you this video would not be possible! Michał Friedrich, Arlene Spiegelman, Doug Henry, Alick Au, denison martins fernandes, Hashem Al, Daniel Nester, Richard A Berkley, Benjamin Chan, Dee Wei, Abdallah Absi, Dominick Biolsi, Denise A Pitts, Pi Guanghui, Doris, Kurt Almendras, Raymond Lee, Nicolas Silva, Tsz Hin Edmund Chan, Melvin Williams, Eric Monarrez, Tirath Singh Pandher, Athena Grace Franco, Terry Minion, Ian McPherson, Mauricio Basso, Kelvin