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| Name | Bacteria in digestion | Physiology | Biology | FuseSchool |
| Video Uploader | Video From FuseSchool - Global Education |
| Upload Date | This Video Uploaded At 05-03-2019 03:00:09 |
| Video Discription | CREDITS Animation & Design: Joshua Thomas [email protected] Narration: Dale Bennett Script: Bethan Parry Digestion is a complex process that our bodies carry out using a variety of chemicals. In this video we’re going to focus on the role of bacteria in digestion. Many different types of bacteria are found in our gut. In fact, scientists estimate that the gut contains between 300 and 1000 different types of bacteria... and the total number of bacteria in one person’s gut could be anything between 100 and 1000 trillion!!! That’s a lot of bacteria!! So what are they doing inside our digestive system? The most common and important bacteria is the Lactobacillus species, which lives in our small intestine. When undigested carbohydrates enter the intestines, Lactobacillus helps digest them - otherwise they would be lost from the body unused. Lactobacillus also helps digest sugars found in dairy products. When Lactobacillus bacteria anaerobically respire, they produce lactic acid as a waste product. Although lactic acid in our muscles hurts, lactic acid in our gut is actually very useful because it keeps the pH of our gut acidic which means pathogenic bacteria, so bad bacteria, cannot thrive. This helps protect us from bacteria infections. Lactobacillus also helps prevent too much yeast growth in our guts, which if it spreads out to the rest of our body can cause yeast infections. Too many yeast cells can also cause problems with our digestive system. As well as aiding digestion, scientists have discovered that the bacteria in our gut can also influence our immune system, metabolism and the production of essential bio-compounds. There’s even research showing that some cardiovascular disease, diabetes, inflammatory bowel disease and obesity are associated with changes in our guts bacteria. But back to our gut bacteria and digestion. What happens if our doctor prescribes us antibiotics? Antibiotics work by killing bacteria or preventing them from reproducing. Does this harm our digestion and all the other wonderful things our gut bacteria do? Some antibiotics are targeted at specific types of bacteria, and so our doctors will try and target only the nasty pathogenic bacteria. However often antibiotics will also kill our good, digestion bacteria too. But if you’re ill and you need the antibiotics, then this is just a side effect that we have to handle. There are a few things we can do to try and help our good bacteria re-establish healthy gut populations. Probiotics are live bacteria and yeasts that are found in some foods. It is thought that eating Probiotics can help restore the natural balance of good bacteria in our gut, that we lose from taking antibiotics. Only certain types of live bacteria make it through our acidic stomach, and they need to be in very high doses. Prebiotics are, essentially, food for bacteria. The stimulate certain bacteria populations to multiply and survive in the gut. Probiotics can be found in these founds, amongst many others. So while our bodies are brilliant at digesting food, it turns out they need a little help from friendly bacteria to get the job done to catch any undigested food and to maintain a suitable pH that we stay healthy, amongst many other great things. SUBSCRIBE to the FuseSchool YouTube channel for many more educational videos. Our teachers and animators come together to make fun & easy-to-understand videos in Chemistry, Biology, Physics, Maths & ICT. VISIT us at www.fuseschool.org, where all of our videos are carefully organised into topics and specific orders, and to see what else we have on offer. Comment, like and share with other learners. You can both ask and answer questions, and teachers will get back to you. These videos can be used in a flipped classroom model or as a revision aid. Find all of our Chemistry videos here: https://www.youtube.com/watch?v=cRnpKjHpFyg&list=PLW0gavSzhMlReKGMVfUt6YuNQsO0bqSMV Find all of our Biology videos here: https://www.youtube.com/watch?v=tjkHzEVcyrE&list=PLW0gavSzhMlQYSpKryVcEr3ERup5SxHl0 Find all of our Maths videos here: https://www.youtube.com/watch?v=hJq_cdz_L00&list=PLW0gavSzhMlTyWKCgW1616v3fIywogoZQ Twitter: https://twitter.com/fuseSchool Access a deeper Learning Experience in the FuseSchool platform and app: www.fuseschool.org Follow us: http://www.youtube.com/fuseschool Friend us: http://www.facebook.com/fuseschool This Open Educational Resource is free of charge, under a Creative Commons License: Attribution-NonCommercial CC BY-NC ( View License Deed: http://creativecommons.org/licenses/by-nc/4.0/ ). You are allowed to download the video for nonprofit, educational use. If you would like to modify the video, please contact us: [email protected] |
| Category | Education |
| Tags | Science | learn | Revision | GCSE | Alevels | AQA | students free online courses video science videos | student | fuseschool | global education | ict4d | biology | bacteria in stomach | bacteria in digestive system | bacteria in digestion | role of bacteria | role of bacteria in digestion | lactobacillus | digestive system | types of bacteria | antibiotics | probiotics | prebiotics | prebiotics vs probiotics | food for gut bacteria |
