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Taste & Smell: Crash Course Anatomy & Physiology #16

Hank resists the urge to devour a slice of pizza so that he can walk you through the way we experience our major special senses. It all boils down to one thing: sensory cells translate chemical, electromagnetic, and mechanical stimuli into action potentials that our nervous system can make sense of. Today we're focusing on smell (olfaction) and taste (gustation), which are chemical senses that call on chemoreceptors. As usual, we'll begin with a quick look at how these things can go wrong. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ Chapters: Introduction: Anosmia 00:00 How Smell Works 2:13 Olfactory Epithelium 2:47 Olfactory Sensory Neurons 3:19 Glomerulus 3:47 How the Brain Processes Smell 4:48 How Taste Works 6:19 What Are Taste Buds (Taste Receptor Epithelial Cells)? 6:40 Types of Taste Receptor Epithelial Cells: Gustatory and Basal 7:53 How Different Tastants are Sensed 8:37 Review 9:28 Credits 10:05 *** Crash Course is now on Patreon! You can support us directly (and have your contributions matched by Patreon through April 30th!) by signing up at   / crashcourse   Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Mark Brouwer, Simun Niclasen, Brad Wardell, Roger C. Rocha, Jan Schmid, Elliot Beter, Nevin Spoljaric, Sandra Aft, SR Foxley, Jessica Simmons, Stefan R. Finnerup, Jason A Saslow, Robert Kunz, Jessica Wode, Mike Drew, Steve Marshall, Anna-Ester Volozh, Christian Ludvigsen, Jeffrey Thompson, James Craver, Suzanne, Dustin & Owen Mets, Amy Fuller, Simon Francis, Max Bild-Enkin, Ines Krueger, King of Conquerors Gareth Mok, Chris Ronderos, Gabriella Mayer, jeicorsair, Tokyo Coquette Boutique, Konradical the nonradical *** Crash Course is on Patreon! You can support us directly by signing up at   / crashcourse   Want to find Crash Course elsewhere on the internet? Facebook -   / youtubecrashcourse   Twitter -   / thecrashcourse   Instagram -   / thecrashcourse   CC Kids:    / crashcoursekids