Digestive System

Join the Amoeba Sisters for a brief tour through the human digestive system! This video will address major structures and functions including the esophagus, stomach, small intestine, and large intestine. This video also mentions chemical and mechanical digestion as well as some digestive vocabulary. Table of Contents: 00:00 Intro 1:30 Ingestion, Digestion, Absorption, Elimination 2:06 Mouth 2:54 Esophagus 3:34 Stomach 4:36 Small Intestine 6:00 Large Intestine (Colon) 6:26 Elimination 6:53 Accessory Organs in Digestion 7:43 Disorders in Digestion -------------------------------- REFERENCES on HUMAN DIGESTIVE SYSTEM: Zedalis, Julianne, and John Eggebrecht. “25.3 Digestive System Processes - Biology for AP® Courses | OpenStax.” Openstax.org, 18 Mar. 2018, openstax.org/books/biology-ap-courses/pages/25-3-digestive-system-processes. Urry, Lisa A, et al. Campbell Biology. 11th ed., New York, Ny, Pearson Education, Inc, 2017. -------------------------------- FURTHER READING SUGGESTIONS On Platypus Digestive System: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5840709/ https://royalsocietypublishing.org/doi/10.1098/rspb.2013.2669 https://www.nationalgeographic.com/science/phenomena/2013/12/03/how-the-platypus-and-a-quarter-of-fishes-lost-their-stomachs/ https://www.smithsonianmag.com/smart-news/many-animals-including-the-platypus-lost-their-stomachs-180948103/ On Venomous Spur in the Platypus: https://pubmed.ncbi.nlm.nih.gov/22899769/ We mention specialized cells can develop a mucus layer - and that they divide frequently - which can be protective for the stomach lining. However, there's more! Did you know many enzymes (like pepsin) are secreted in an inactive form and don't activate until reaching a different location? Learn more below! https://www.scientificamerican.com/article/why-dont-our-digestive-ac/ Learn about Hormones Involved in Human Digestion: https://openstax.org/books/biology-2e/pages/34-4-digestive-system-regulation Learn about Disorders of Human Digestive System: https://www.niddk.nih.gov/health-information/digestive-diseases -------------------------------- The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. Amoeba Sisters videos only cover concepts that Pinky is certified to teach, and they focus on her specialty: secondary life science. Learn more about our videos here: https://www.amoebasisters.com/our-videos Support Us? https://www.amoebasisters.com/support-us Our Resources: Biology Playlist: https://www.youtube.com/playlist?list=PLwL0Myd7Dk1F0iQPGrjehze3eDpco1eVz GIFs: https://www.amoebasisters.com/gifs.html Handouts: https://www.amoebasisters.com/handouts.html Comics: https://www.amoebasisters.com/parameciumparlorcomics Unlectured Series: https://www.amoebasisters.com/unlectured Connect with us! Website: https://www.AmoebaSisters.com Twitter: https://www.twitter.com/AmoebaSisters Facebook: https://www.facebook.com/AmoebaSisters Tumblr: https://www.amoebasisters.tumblr.com Pinterest: https://www.pinterest.com/AmoebaSister­s Instagram: https://www.instagram.com/amoebasistersofficial/ Visit our Redbubble store at https://www.amoebasisters.com/store TIPS FOR VIEWING EDU YOUTUBE VIDEOS: Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc? https://www.amoebasisters.com/pinkys-ed-tech-favorites/10-youtube-tips-from-an-edu-youtuber-duo MUSIC: Our intro music designed and performed by Jeremiah Cheshire. End music in this video is listed free to use/no attribution required from the YouTube audio library. COMMUNITY: We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments. TRANSLATIONS: Hindi Subtitles Credit: Alisha Aggarwal Chinese Subtitles Credit: 字幕由Sharon Shanz Chan翻譯 While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Learn more here: https://www.amoebasisters.com/pinkys-ed-tech-favorites/community-contributed-subtitles We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.