The Digestive System: CrashCourse Biology #28

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Xuất bản 15/08/2015
Hank takes us through the bowels of the human digestive system and explains why it's all about surface area. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like Crash Course? http://www.facebook.com/youtubecrashcourse Follow Crash Course: http://www.twitter.com/TheCrashCourse Table of Contents 1) Surface Area to the Max! 3:21 2) Mouth to Esophagus 5:23 3) Stomach 6:38 4) Small Intestine 7:55 5) Large Intestine 9:44 References Campbell Biology, 9th ed. http://www.sciencedaily.com/releases/2007/10/071008102334.htm crash course, biology, anatomy, digestive system, animal, development, digestive tract, nervous system, vertebrate, micro-ecology, microorganism, human, omnivore, acid, enzyme, surface area, mouth, teeth, saliva, nutrient, intestine, salivary amylase, swallow, mastication, pharynx, esophagus, stomach, epiglottis, bolus, peristalsis, rugae, gastric juice, pepsin, chyme, duodenum, absorb, secrete, villi, gall bladder, liver, bile, emulsify, fatty acid, cecum, appendix, poop, anal, sphincter Support CrashCourse on Subbable: http://subbable.com/crashcourse
development biology mouth human anatomy animal poop teeth crash course digestive system digestive tract nervous system vertebrate micro-ecology microorganism omnivore acid enzyme surface area saliva nutrient intestine salivary amylase swallow mastication pharynx esophagus stomach epiglottis bolus peristalsis rugae gastric juice pepsin chyme duodenum absorb secrete villi gall bladder liver bile emulsify fatty acid cecum appendix anal sphincter
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