Digestive System

The Human Digestive system is made up of course meat and glands that action the eatable one eats. The digestive administration tract is more often than not made up of series of tube-like variety meat that convert our repast into personate fuel. Then there be accessory organs (teeth, tongue, salivary glands, liver, gallbladder and pancreas) that aid in digestion. The digestive tract is closely 30 feet of convoluted tubes known as the nutritive canal. That starts with the sway and end in the anus. Along this path intellectual nourishment is at sea down, sorted out and re subprogramed before being passed close to the body to nourish and replace cells and to give energy to the muscles. This process occurs in five stages Ingestion, digestion, absorption, compaction, and defecation. The digestion begins in the mouth. The muscle involved be the tongue buccinators and orbicularis oris muscle help to push solid nourishment in between teeth. The teeth then can breakdow n food into pifflinger particles by chewing and grinding. Salivary enzymes moisten the mouth which helps with swallowing the food and it digests some starch and fat. Saliva consist mostly of wet about 99.

5% the other solutes involved imply salivary amylase- an enzyme to help digest starch, Lingual lipase- an enzyme activated by acoustic projection out acid to help digest fat, mucus, which binds and lubricates the food push-down stack and help in swallowing, lysozyme- an enzyme that kills bacteria, immunoglobulin A- an antibody that inhibits bacterial growth, and electrolytes which include sodium, potassium, chloride, phosphate, and bicarbonate salts. These enzymes be produce! d by the salivary glands. The salivary glands are broken into both types of intrinsic and extrinsic salivary glands. The intrinsic glands are small glands spread out in the oral tissues; they include lingual glands in tongue, labial glands on the inside of lips, and buccal glands on the inside of the cheeks. This makes up the saliva which is produced at a more or less constant rate. The extrinsic salivary glands are three pairs of lager organs...If you want to get a full essay, order it on our website: BestEssayCheap.com

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