Digestive system essay

Digestive system essay

The Digestive System When you enter the body through the brain, you come across the first component of the digestive system—the hypothalamus—a section of the brain the size of an almond. The hypothalamus controls the temperature of the body, hunger, thirst, fatigue, and circadian cycles—A Bacteria Produce Gold by Digesting Toxic Metals Sep 05,  · The three most important human organ systems are circulatory, digestive and endocrine system. The main function of the digestive system is to process food in such a way that the energy molecules are absorbed by the body and the residues are left out. The physiological processes which are required for the digestive system are absorption, digestion, Estimated Reading Time: 4 mins Jun 05,  · Words: Length: 2 Pages Document Type: Research Paper Paper #: Read Full Paper. Digestive System Diseases and Disorders. The digestive system is made up of the "digestive tract" -- which is, according to the National Institutes of Health, a "series of hollow organs joined in a long, twisting tube from the mouth to the anus" -- and

≡Essays on Digestive System. Free Examples of Research Paper Topics, Titles GradesFixer

Digestive System Diseases and Disorders The digestive system is made up of the "digestive tract" -- which is, according to the National Institutes of Health, a "series of hollow organs joined in a long, twisting tube from the mouth to the anus" -- and additional organs that are part of the system that helps humans "break down and absorb food" National Institutes of Health -- NIH, If something goes wrong in the digestive system it can have serious consequences for the individual.

This paper identifies some of the disorders that are associated with the digestive system. The organs that are part of the digestive system include the mouth, the esophagus, the stomach, digestive system essay, the small and large intestines the large intestine is also called the "colon"the rectum and the anus NIH, p, digestive system essay. The digestive system is one of the most important parts of the human body because food….

Works Cited Medline Plus. Digestive System. National Institutes of Digestive system essay. Medline Plus. Foodborne Illnesses. National Digestive Disease Information Clearinghouse. Your Digestive System and How. Digestive System The gastrointestinal system extends from the mouth to the anus.

It includes the oral cavity, esophagus, stomach, duodenum, small and large intestine, rectum and the anus. The digestive system also includes other organs responsible for digestion, namely the liver, gall bladder and the pancreas. By way of the peristaltic movements of the tract and enzymes secreted from these organs, food is digested and absorbed; to be either stored in the body, or used as energy. Nerves and blood vessels also play a major role in the digestive system.

Kumar, Diseases of the digestive system are a major cause of morbidity and mortality worldwide. Approximately ten percent of all general practitioner consultations in the United Kingdom are due to digestive problems, with a majority resulting from diarrhea.

Boon, The highest cost per year…. Boon, Nicki R. Colledge, Brian R. Walker, John A. Davidson's Principles and Practice of Medicine India, Elsevier. Kumar Abbas, Fausto Mitchel. Robbins Basic Pathology India: Elsevier. The burden of selected digestive diseases in the United States. Dent introduces bill to support colorectal cancer.

It is also at this point that other organs begin to play a major role in the digestive process. The pancreas, located adjacent to the small intestine, secretes several enzymes that variously break down carbohydrates much further than they were broken down in the mouth or the proteins that began to met their demise in the stomach NDDIC The liver produces a bile that breaks down fats and makes the constituent parts into small enough droplets that they can be suspended in water and utilized in chemical processes in the body NGS All of this digestion takes place in the duodenum.

The small intestine continues, however, and throughout the entire small intestine are countless villi, or little finger-like hills that greatly increase the inner surface area of the smooth-muscled tube that is the small intestine Discovery It is through the cells of these villi that the nutrients,….

References Discovery. html Enchanted Learning. Again, most of the "action" of the accessory organs and their products takes place in the small intestine where the major work of both breaking down and absorbing nutrients takes place SUNY It is here that the enzymes secreted by the pancreas and liver arrive to do their work, and it is through the small intestine -- and primarily through the duodenum -- that carbohydrates, proteins, and lipids fats as well as other vitamins and mineral nutrients reach the lymph and circulatory systems that carry them throughout the body where they are useful MNSU Pancreatic amylase, one of the enzymes secreted by the pancreas, continues the breakdown of starches that begins in the digestive system essay, converting these carbohydrates into maltose SUNY References Advameg.

html Gillson, S. htm MNSU. Accessed 30 September shtml Smith, M. The digestive system. Philadelphia: Elseiver. nervous and digestive systems at reptiles, digestive system essay, emphasizing digestive system essay main characteristics and briefly compare them to the nervous and digestive systems at other vertebrates. In this sense, referring to the reptilian nervous systems, digestive system essay authors have found common basis and similarities between the nervous systems of reptiles and other higher vertebrates, including digestive system essay These similarities manifest themselves both in the form of anatomical and physiological resemblances.

The main difference between the reptilian brain and that of digestive system essay vertebrates such as mammals relates to "the size of the cerebral hemispheres" As such, the reptilian nervous system is formed of two different components: the central nervous system CNS and the peripheral nervous system PNS, digestive system essay.

The central nervous system is composed of the brain and the spinal cord, while the peripheral nervous system is composed of all nervous tissues and structures that do not actually belong to the CNS. As at other vertebrates, the…. Bibliography 1. Adaptive Anatomy and Physiology of Digestive System of the Lizard, digestive system essay. html 2. Digestive System of Snakes Class Reptilia Order Squamata.

htm 3. Wyneken, Jeanette and Mader, Douglas R. Reptilian Neurology: Anatomy, Function and Clinical Applications. Encyclopaedia Britannica, digestive system essay.

Encyclopaedia Britannica Premium Service. Human digestive system is composed of multiple parts, including the mouth pharynx, throat, palate, tongue, teethstomach, small intestine, large intestine, liver, pancreas, salivary glands, bowels, and many more. The sole purpose of the digestive system is to break down foods that are eaten, digestive system essay, so that the food might be absorbed into the bloodstream.

The existence of a digestive system sets animals apart from plants. Digestion consists of a physical and chemical breakdown of food. Because of the complexity and large size of digestive system essay digestive system, diseases that can interfere this body system are numerous and varied in their modes of transmission, their symptoms, their treatments, and their possible short-term and long-term effects.

This paper will focus on three such diseases: Cirrhosis of the liver caused by viral Hepatitishookworm disease caused by hookwormsand cholera caused by Vibrio cholerae. The large size of the digestive system, along with the…. Works Cited Carson-Dewitt, Rosalyn S. jhtml Center for Disease Control CDC. htm McNeill, William H. Plagues and Peoples. New York: Anchor Press. Hepatitis and Liver Disease: What you need to know.

New York: Penguin Putnam, Inc, digestive system essay. Digestive Disorders: Inflammatory Bowel Disease and Irritable Bowel Syndrome It is important to note that in some instances, the symptoms patient present could be tied to a myriad of disorders.

This has in some quarters led to misdiagnoses, digestive system essay. Both inflammatory bowel disease IBD and irritable bowel syndrome IBS present a number of similar symptoms.

National Library of Medicine, Digestive system essay essence, the movement of food in the intestines is enhanced by the relaxation and contraction of the intestines. When the said contraction as well as relaxation does not follow the normal pattern, symptoms of IBS are likely to present, digestive system essay. In basic terms, the…. Lipids and Proteins Lipids Lipids are fats and they are important to our health.

When chemically digesting these lipids or fats, these molecules are broken down into smaller ones that can be more readily passed through the digestive system and digestive system essay the bloodstream. This fat is transformed into triglycerides and can be used by the body for energy at a later time. Lipids like almost all food is first mechanically digested by the mouth.

During this process the first chemical reaction begins when the saliva begins to break down the fat. As the fat is digested, enzymes called lipases within the mouth and stomach break the digestive system essay of the lipid molecules an prepare them for absorption. The gall bladder and pancreas becomes involved in this process as bile salts are released from these organs and secreted in the small intestine.

These chemicals signal to further digest the food by breaking…. Digestive Disorder: Diverticulitis Patient history The patient is a year-old female with a family history of colorectal cancer mandating regular colonoscopies before the age of The patient's diverticulosis was discovered during a routine colonoscopy at age She was asymptomatic for 2 years, but developed diverticulitis at age When she began experiencing significant pain her lower left abdominal area, she suspected diverticulitis, called her gastroenterologist who referred her to the emergency room for a cat scan, which confirmed the diagnosis, and then given a course of antibiotics, which resolved the issue.

Diverticulitis "Diverticulitis develops when feces become trapped in pouches diverticula that have formed along the wall digestive system essay the large intestine.

This allows bacteria to grow and cause an infection or inflammation and pressure that may lead to a small perforation or tear in the wall of the intestine. Peritonitis, an infection of the lining of the abdominal…. References Davis B.

The Digestive System Structure and Function

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Jun 05,  · Words: Length: 2 Pages Document Type: Research Paper Paper #: Read Full Paper. Digestive System Diseases and Disorders. The digestive system is made up of the "digestive tract" -- which is, according to the National Institutes of Health, a "series of hollow organs joined in a long, twisting tube from the mouth to the anus" -- and Digestive System Of The Digestive System Words | 3 Pages. Digestive System After dissecting the rat, we learned that the rat’s body has many complex systems. To begin, the digestive system contains a group of organs that work together to convert food taken in from the body and converts it to energy and basic nutrients to feed the cells in The Digestive System When you enter the body through the brain, you come across the first component of the digestive system—the hypothalamus—a section of the brain the size of an almond. The hypothalamus controls the temperature of the body, hunger, thirst, fatigue, and circadian cycles—A Bacteria Produce Gold by Digesting Toxic Metals