Investigate The Functions And Dysfunctions Of The

Investigate the functions and dysfunctions of the digestive system

Functions of the Digestive System
The digestive system is a group of organs that work together to gain nutrients from victuals and drink. When provenders and drinks first enter the body, they are in a pee that the body is unable to choice nutrients from. The digestion process breaks the nutrient toss off into microer molecules so that it is easier for the body to absorb all nutrients. nourishment is mixed with digestive juices which enable it to move smoothly done the digestive tract. Large molecules of food are broken batch into smaller molecules. Digestion begins in the mouth, when you chew and swallow, and is completed in the small intestine, this process is called peristalsis. Not only does the digestive system extract essential nutrients from food matter, it also disposes of the unwanted material via excretion.
Digestion begins in the oral cavity. However, it begins before food even enters the mouth; the sight, whole step or even thought triggers the salivary glands. Chewing the food prompts the glands to secrete the enzymes required to only break down the food which include; amylase, maltase, sucrase, lipase and pepsin. These enzymes are needed to break down accepted sugars and starches that chewing cant do itself.



The saliva in the mouth also softens the food so that it is easier to navigate by dint of the digestive system. Once the food has been swallowed, it makes its way down the defile which is made of muscle. To guide the food down towards the stomach, it contracts and relaxes, pushing it advance down each time.
Once the food reaches the stomach, it begins the second soma of digestion. The stomach is made up of three layers of muscle which work out and shrink with the presence of food. This is where food is broken down further with the help of protein breaking down enzymes and the hydrochloric acid. The hydrochloric acid creates the perfect purlieu for the enzymes; it destroys any bacteria that...If you want to get a upright essay, order it on our website: Ordercustompaper.com



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