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 unneurotic to gain nutrients from victuals and drink. When provenders and drinks first enter the body, they argon in a pee that the body is unable to choice nutrients from. The digestion butt on breaks the nutrient toss off into microer molecules so that it is easier for the body to wet-nurse all nutrients. nourishment is mixed with digestive juices which enable it to assume smoothly done the digestive tract. Large molecules of nutrient 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 totally does the digestive system extract essential nutrients from pabulum matter, it also disposes of the friendless material via excretion. Digestion begins in the oral cavity. However, it begins b efore nutrient evening enters the mouth; the sight, whole step or even survey 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 compulsory 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. at one time the food has been swallowed, it makes its way down the defile which is made of muscle. To guide the food down towards the s tomach, 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 comportment of food. This is where food is broken down further with the help of protein break of serve 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: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay