The Digestive System

Briefly describe the overall body structure of the digestive constitution with reference to all the major organs The wait on of the digestive organization is the mechanical and chemical breakdown of fares and the submersion of nutrients by cells(1) The structure of the digestive system consists of the alimentary communication channel which is 9 meters in length. Its starts at the mouth and ends at the anus with the attendant organs. Alimentary Canal Mouth-Consist of the tongue, discernment buds, palate , palatine tonsils and teeth. Pharynx-is the wasted and oral cavitys. Oesophagus- a healthy pipage leading to the offer Stomach-pouch shapped organ. Small intestine-organ that contains 3 parts. Large intestine- starts at the ileum contains the caecum and colon and ends at the rectum. Accessory Organs Salivary glands- on that mind are 3: Parotid, submandibular and sublingual. Liver- It has 2 lobes Gallbladder- Pancreas- Describe the process of digestion T he digestion of nutrition begins in the mouth which contains the tongue which moves food around reconcile it easier to chew and withal contains the taste buds, palate , palatine tonsils and teeth. The tooth has 4 layers which are the crown, the root, the enamel and dentin.

These all contribute to digestion by spare bottom the size of the food, taste the food (which makes food enjoyable), and also protects against infection. The food and then continues its journey through the pharynx to the tidy tube called the oesophagus. The food then passes to the stomach through the cardiac anatomical sphincter muscle (which prevents food fro m miserable back up the oesophagus), where ! it squeezes and mixes the food together with the stomachal juices. After the travail of the stomach and the mixing of gastric juices has run its course, whats left is a food paste called chyme. Chyme then continues its journey by moving through the pyloric sphincter valve into the small intestine which is a tublular organ that extends from the pyloric sphincter, many another(prenominal) loops and coils, fill much of the...If you deprivation to get a beat essay, order it on our website: BestEssayCheap.com

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