The Digestive System

Briefly describe the overall body structure of the digestive constitution with reference to all the major organs The occasion of the digestive organization is the mechanical and chemical breakdown of fares and the submergence of nutrients by cells(1) The structure of the digestive system consists of the alimentary provide which is 9 meters in length. Its starts at the mouth and ends at the anus with the paraphernalia organs. Alimentary Canal Mouth-Consist of the tongue, discernment buds, palate , palatine tonsils and teeth. Pharynx-is the emaciated and oral cavitys. Oesophagus- a healthy pipage leading to the corroborate 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 leg are 3: Parotid, submandibular and sublingual. Liver- It has 2 lobes Gallbladder- Pancreas- Describe the process of digestion T he digestion of food begins in the mouth which contains the tongue which moves food around shit it easier to chew and in addition 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 cut off stand 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 hefty tube called the oesophagus. The food then passes to the stomach through the cardiac anatomical sphincter muscle (which prevents food from piteous back up the oesophagus), where it squeezes and mixes the food together with the stoma! chal juices. After the tendency 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 expect to get a beat essay, order it on our website: OrderEssay.net

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