Human Digestion System

Jamie 09/10/09 SCI 241 Human Digestion break off Point The process of digestion first begins in the backtalk. The bolus, or ball of fare mixed with spitting, makes it’s direction through the pharynx and into the defile. From the esophagus the bolus travels through a anatomical reference sphincter muscle into the rear. The fare whence passes through the pyloric sphincter and into the deplete in the mouthpiece intestine. From the depleted intestine, what hasn’t been heedless passes into another sphincter and into the mammoth intestine. The mouth is the beginning of the digestive system. Salivary glands produce spitting in the mouth that makes regimen easy to eat up. Saliva contains an enzyme called salivary amylase that begins breaking blue the starches into sugars. The mouth contains teeth that chew the nourishment to make it possible to swallow; chewing increases the amount of aliment that comes in contact with digestive middles. The mouth includes the tongue that helps dismiss the food with saliva. The plunk for, which is made up of tether layers of muscle, temporarily stores the bolus. The stomach produces acid that mixes with the bolus and creates a substance called chyme. The stomach muscles contract thereby mixing its contents. Note that save some of the digestion place in the stomach.

The small intestine is a narrow tube flat coat at 20 feet in length and is divided into collar sections. The small intestine is the master(prenominal) organ for digestion and absorption of nutrients. The pancreas, gallbladder, colourful and intestine secrete substances into the small intestine that continues breaking down the chyme. The large intestine includes the colon and rectum and is nearly five feet long. roughly vitamins, minerals and water are draped in this intestine. A honorable bacteria call enteric micro flora segmentation the unabsorbed food such as fiber. Anything not absorbed in this intestine is then stored in the rectum until it is removed voluntarily from the anus. lengthiness: Nutrition: Everyday Sources lav Wiley & Sons, 2006If you want to get a full essay, order it on our website: Ordercustompaper.com

If you want to get a full essay, wisit our page: write my paper