Human Body

Human Body

The digestive system is the series of tube like organs that convert our meals into body fuel. In all there’s about 30 feet (9 meters) of these convoluted pipe works, starting with the mouth and ending with the anus. Along the way, food is broken down, sorted, and reprocessed before being circulated around the body to nourish and replace cells and supply energy to our muscles.

Food on the plate needs to become a mashed-up, gooey liquid for the digestive system to be able to split it up into its constituent parts: proteins, carbohydrates, fats, vitamins, and minerals. Our teeth start the process by chewing and grinding up each mouthful, while the tongue works it into a ball-shaped bolus for swallowing. Click and ctrl to get the site http://goo.gl/RfECh     Click and control to get to video

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