40 hours inside the body #39;s pipelines: How the digestive system works
Your body lets you know when it #39;s running low on energy and nutrition. It tells you to eat. But how does food travel through the body? Follow us on a journey through 9 meters of human pipe lines and a dozen organs. The process starts straight after your first bite. The teeth munch the substance to a size you can swallow. Enzymes in your saliva start processing the food. Carbohydrate such as starches found in pasta begin to break down. From this point the digestive system swings into overdrive. Once swallowed the food is pushed by special muscles almost 30 centimetres through the oesophagus and ends up in the stomach. The stomach is like a mixer. The gastric fluids produced in the stomach break down the food into a liquid mixture. Proteins, like egg white or chicken, are digested. Depending on what kind of food is in your stomach, it spends between 15 minutes and 5 hours there before continuing to the small intestine. Carbohydrates leave the stomach relatively fast. Fats take much longer to be processed. When food arrives in the small intestine, it must travel the same distance as the height of a fully grown giraffe., Food continues to be broken down with help from the pancreas, the liver and the gallbladder. While in the small intestine most of the remaining nutrients are extracted from the food and absorbed in the body. After about four hours, the watery remnants of your meal continue to the large intestine. The large intestine is as long as a red kangaroo is tall. This ...From:ZoominTVscienceViews:0 0ratingsTime:02:10More inScience Technology
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40 hours inside the body's pipelines: How the digestive system works - Video