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Large Intestine

Large Intestine. 1.5m long and 7.6cm wide Main function is to reabsorb water to prevent dehydration No digestion of nutrients occurs here. Vitamins B12 and K are produced by bacteria that live in the colon

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Large Intestine

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  1. Large Intestine

  2. 1.5m long and 7.6cm wide • Main function is to reabsorb water to prevent dehydration • No digestion of nutrients occurs here

  3. Vitamins B12 and K are produced by bacteria that live in the colon • These vitamins and salt are absorbed across the large intestine wall into the blood stream

  4. As the waste material is moved through the large intestine, it is packed together, water is removed (absorbed into blood stream) and it fills the anus where it is called feces.

  5. When the rectum is full you get a feeling of discomfort, relaxation of the anal sphincter allows the feces to pass out of the body • If the blood vessels surrounding the anus get strained (caused by hard feces, lack of fibre, etc) the swell – called haemorrhoids.

  6. Functions Digests food Absorbs nutrients for the body Components Esophagus Stomach Small intestine Large intestine Pancreas Liver Gall Bladder Summary

  7. Troubles with your digestive system • Many medications may irritate your system • Most say to take on a full stomach • Follow these directions! • many people over use antacids or laxatives which can lead to a weaker stomach lining and decreases your own ability to deal with the situation. • good diet, lots of water and fibre and regular exercise should control bowels • avoiding foods that cause stomach irritation is better for you • over use of antibiotics kills the bacteria that live in your digestive tract, making digestion harder • eat yogurt if you are on a antibiotics – it replenishes the bacteria

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