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Topic: Digestive system



  
 Digestive system - definition of Digestive system in Encyclopedia
Extrinsic (outside) nerves come to the digestive organs from the unconscious part of the brain or from the spinal cord.
Adrenaline relaxes the muscle of the stomach and intestine and decreases the flow of blood to these organs.
In addition, parts of other organ systems (for instance, nerves and blood) play a major role in the digestive system.
http://encyclopedia.laborlawtalk.com/Digestive_system   (2364 words)

  
 Digestive system animation illustrating digestion - Constipation Advice
The stomach enzymes in particular are responsible for the breakdown and digestion of proteins.
Indigestible food remains and fluid pass from the small intestine into the large intestine where one of the most important processes involves the absorption of water through the wall of the intestine and into the bloodstream.
Click here to see what happens to our digestive system when we are constipated
http://www.constipationadvice.co.uk/constipation/digestive_system.html   (577 words)

  
 the digestive system
The liver and associated organs and their connections to the digestive system.
Your Digestive System and How it Works National Institute of Health provides a summary.
Describe the cross-sectional structure of the small intestine and explain how its structure is related to its function.
http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookDIGEST.html   (2751 words)

  
 gihealth.com - built for patient satisfaction
When your digestive system is working normally, you should not even be aware of all of these complicated functions.
But in a televsion culture where discussing the most intimate problems is commonplace, it is amazing that the subject of the digestive system remains taboo.
That is when you begin to become aware of your digestive system.
http://www.gihealth.com/html/education/digestive.html   (1469 words)

  
 Digestive System
The kinds and amounts of food a person eats and how the digestive system processes that food play key roles in maintaining good health.
A person normally isn't aware of the movements of the esophagus, stomach, and intestine that take place as food passes through the digestive tract.
In some cases, surgery may be necessary to remove inflamed or damaged areas of the intestine.
http://kidshealth.org/parent/general/body_basics/digestive.html   (2451 words)

  
 WGBY - NTTI Lesson Plans - The Digestive System
The students will make drawings of the digestive system from their observations.
Once the outline has been completed each child could begin to add features and the internal organs that are used in the digestive system.
waste--leftover material not digested by the body and then eliminated from the body.
http://www.wgby.org/edu/lessonplans/ntti/archive/digestion.html   (1941 words)

  
 Herbsplus4health - The Digestive System
Fiber helps maintain good tone in these tissues, which is essential for digestion.
Americans spent $107 billion on drugs and antacids to fight digestive ailments in 1992.
About 90 percent of absorption takes place in the small intestine.
http://www.herbsplus4health.com/sys_digestive.html   (1914 words)

  
 Digestive System Theme Page
High school students are challenged to learn the structures and functions of a body system thoroughly so that they will be able to pass on the concepts and ideas to younger students in the form of children's books.
Here are a number of links to Internet sites which contain information and/or other links related to the specific theme of the body's Digestive System.
This site provides you with a range of information about your body systems.
http://www.cln.org/themes/digestive.html   (991 words)

  
 Human Digestive System - EnchantedLearning.com
Most of the digestive organs (like the stomach and intestines) are tube-like and contain the food as it makes its way through the body.
The start of the process - the mouth: The digestive process begins in the mouth.
Many microbes (bacteria like Bacteroides, Lactobacillus acidophilus, Escherichia coli, and Klebsiella) in the large intestine help in the digestion process.
http://www.enchantedlearning.com/subjects/anatomy/digestive   (1031 words)

  
 Digestive System
Incomplete breakdown and assimilation of nutrients often lead to allergy and toxic overload.
It is valuable for rapidly cleansing the entire body of toxins, not just the intestines.
A digestive cleansing formula containing carminatives that helps maintain Digestive System regularity.
http://herbsystems.com/digestive_system.htm   (1192 words)

  
 Digestive System
Digestive Diseases covers peer reviewed clinical and basic science topics in gastrointestinal function and disorders.
A patient information leaflet on looking after your digestion, produced by CORE (which is the working name of the Digestive Disorders Foundation).
The electronic version of the journal Digestive Surgery, the official journal of the International Society for Digestive Surgery (ISDS, formerly CICD), European Digestive Surgery (EDS), and the Dutch Society of Gastro-Intestinal Surgery (NVGIC), published and provided by S. Karger AG.
http://omni.ac.uk/browse/mesh/D004064.html   (1205 words)

  
 Human Digestion
You can think of the digestive system as two sets of structures.
DIGESTION (di-'jes-chen): the process of making food absorbable by changing it
· Notice that digestion only occurs in three organs: the mouth, stomach, and small intestine.
http://www.borg.com/~lubehawk/hdigsys.htm   (1393 words)

  
 Digestive System
One organ system, the digestive system, does that job for the whole body.
Carbohydrates are a kind of food that gives the body energy.
What does the digestive system do for the body?
http://www.dmturner.org/Teacher/Library/4thText/FoodPart1.html   (796 words)

  
 Digestive System
This information will help you find out how the digestive system breaks our food down so our bodies can use it as energy.
More information concerning digestion relating to the pancreas, liver, salivary glands,etc...
Your stomach is located just below the heart.
http://hes.ucf.k12.pa.us/gclaypo/digestive_system.html   (770 words)

  
 Starfish Digestion and Circulation
The figure below (from Brusca and Brusca) is a cut-away view of the digestive system and associated structures.
The cardiac stomach is connected to a pyloric stomach (located above it), which in turn is connected to both the anus and to the pyloric ducts and pyloric cecum which extend out into each arm (see the figure below).
There is an ionic imbalance that causes water to flow into the water vascular system through the madreporite, and then the Tiedemann's bodies divert some of it into the perivisceral coelom.
http://www.vsf.cape.com/~jdale/science/digest.htm   (492 words)

  
 Anatomy, Function, and Diseases of the Digestive System of Dogs
The digestive system includes the mouth, esophagus, stomach, intestines, liver, and pancreas.
Anatomy, Function, and Diseases of the Digestive System of Dogs
Learn more about the anatomy, function, and diseases of these organs.
http://www.peteducation.com/category_summary.cfm?cls=2&cat=1571   (61 words)

  
 Digestive System WebQuest
Students will be able to identify the specific parts of the organs within the digestive system.
Students will practice taking quizzes in order to learn the structures and functions within the digestive system.
Students will observe the movement of food through the digestive tract.
http://www.can-do.com/uci/ssi2002/digestivesystem.html   (327 words)

  
 Digestive System Center - MayoClinic.com
A guide to how your digestive system works and what to do about digestive system ailments from heartburn to hemorrhoids.
Mayo Clinic asthma and allergy specialist James Li, M.D., and colleagues answer select questions from readers.
Understanding your digestive system, digestive symptoms, such as diarrhea, and diagnostic tests.
http://www.mayoclinic.com/health/digestive-system/DG99999   (180 words)

  
 The Digestive System
Defecation is the process of expelling what the body couldn't use.
To see pictures and learn more about the organs of the digestive system, CLICK HERE.
The digestive system carries out six basic processes; ingestion, secretion, propulsion, digestion, absorption and defecation.
http://www.mnsu.edu/emuseum/biology/humananatomy/digestive/index.shtml   (284 words)

  
 Digestive System - Ailmentary System - information page with HONselect
Hardin MD : Digestive System & Intestinal Diseases
Generally refers to the digestive structures stretching from the MOUTH to ANUS, but does not include the accessory glandular organs (LIVER; BILIARY TRACT; PANCREAS).
Schilling's Net Health Book - Digestive System And Gastrointestinal Disorders
http://www.hon.ch/HONselect/Selection/A03.html   (351 words)

  
 Digestive System
Using five (5) specific examples, explain problems this individual would have, now that the liver is no longer functioning.
(Non-essential would mean you can still digest food even if an aspect of the organ or even if the whole organ is not functioning properly)
Identify and describe the function of the structures of the digestive system from a diagram.
http://abbysenior.com/biology/digestive_system.htm   (1107 words)

  
 Medical College of Wisconsin Healthlink Topics: Digestive System
Not too long ago CF was always fatal in childhood, but better treatment methods have increased the average lifespan of CF patients to nearly 30 years.
Bariatric surgeries promote weight loss by restricting food intake and, in some cases, by interrupting the digestive process.
The surgery may improve a host of medical problems related to morbid obesity.
http://healthlink.mcw.edu/digestive-disease   (653 words)

  
 Digestive System/ Functions of the Digestive System
Mixing movements occur in the stomach as a result of smooth muscle contraction.
This process, called ingestion, has to take place before anything else can happen.
The digestive system includes the digestive tract and its accessory organs, which process food into molecules that can be absorbed and utilized by the cells of the body.
http://training.seer.cancer.gov/module_anatomy/unit10_1_dige_functions.html   (447 words)

  
 Dr. Schilling's Net Health Book - Digestive System And Gastrointestinal Disorders
In the following I will describe diseases of the digestive system and what can be done from a medical point of view to help cure or at least alleviate the conditions.
Gallbladder and pancreatic function have been mentioned above.
This is how the muscles can build up muscle mass, the brain gets glucose to think and all of the body cells maintain their metabolism.
http://www.nethealthbook.com/gastrointestinaldisease_digestivesystem.html   (497 words)

  
 Human Body Adventure - Digestive System
The large intestines absorb excess water from chyme so it can be used by the body.
Food passes through the mouth, esophagus, stomach, small intestine, large intestine, rectum, and out the anus.
This occurs in the mouth, stomach and small intestines.
http://vilenski.org/science/humanbody/hb_html/digestivesystem.html   (102 words)

  
 digestive system - Columbia Encyclopedia article about digestive system
The circulatory system can be considered as composed of two parts: the systemic circulation, which serves the body as a whole except for the lungs, and the pulmonary circulation, which carries the blood to and from the lungs.
In the digestive system, ingested food is converted into a form that can be absorbed into the circulatory system circulatory system, group of organs that transport blood and the substances it carries to and from all parts of the body.
The digested food is absorbed into the circulatory and lymphatic systems through small fingerlike projections of the intestinal wall, called villi.
http://columbia.thefreedictionary.com/digestive+system   (1367 words)

  
 Gastrointestinal tract - Wikipedia, the free encyclopedia
The two arms of the autonomic nervous system both influence the digestive process; parasympathetic nerves stimulate secretions and peristalsis while the sympathetic influence is more inhibitory.
The major hormones that control the functions of the digestive system are produced and released by cells in the mucosa of the stomach and small intestine.
These hormones, such as secretin, gastrin and cholecystokinin, are released into the blood by the digestive tract and stimulate digestive juices and cause organ movement.
http://en.wikipedia.org/wiki/Digestive_system   (823 words)

  
 Links SQL: Biological Science/Anatomy and Physiology/Digestive System
An explanation of lactose intolerance in laypersons' terminology with a few links to other sources of information about this condition.
Home : Biological Science : Anatomy and Physiology : Digestive System
Links to units on many systems of the human body, including the endocrine system.
http://www.mhhe.com/links/1253/556/550   (362 words)

  
 Lesson 6 - The Digestive system
The digestive system is responsible for the breakdown of our food and the assimilation of the nutrients that are essential for life.
If this system is not functioning properly, even the best nutrients will do us little or no good.
Many digestive disturbances of modern society could be avoided with the proper chewing of our food.
http://www.naturalhealthschool.com/6_1.html   (263 words)

  
 Introductory Anatomy: Digestive System
If we try to talk whilst swallowing food may enter the respiratory passages and a cough reflex expels the bolus.
Epithelium (friction resistant stratified squamous in oesophagus, simple beyond) plus a little connective tissue and smooth muscle.
Gallstones are usually cholesterol based, may block the hepatic or common bile ducts causing pain, jaundice.
http://www.leeds.ac.uk/chb/lectures/anatomy8.html   (997 words)

  
 Digestive System Diseases
Patients and laypersons looking for guidance among the target sources of this collection of links are strongly advised to review the information retrieved with their professional health care provider.
Basic (Clinical) Cases in Gastroenterology [, viewed by organ system]- Baylor Colege of Medicine/Gastroenterol.
Heartburn and Hiatal Hernia - Digestive Disorders Foundation (UK)
http://www.mic.ki.se/Diseases/c6.html   (2211 words)

  
 The Digestive System - Digestive Disorders
Parts of other organ systems, like nerves and blood, also play a major role in the digestive process.
The food is digested in the small intestine and dissolved by the juices from the pancreas, liver, and intestine, and the contents of the intestine are mixed and pushed forward to allow further digestion.
Digestion is the process by which food and drink are broken down into smaller parts so that the body can use them to build and nourish cells, and to provide energy.
http://www.umm.edu/digest/howworks.htm   (473 words)

  
 Anatomy of the Digestive System
The digestive system depicted above - a carnivore - is the simplist among mammals.
Index of: Fundamental Physiology and Anatomy of the Digestive System
: The center of metabolic activity in the body - its major role in the digestive process is to provide bile salts to the small intestine, which are critical for digestion and absorption of fats.
http://arbl.cvmbs.colostate.edu/hbooks/pathphys/digestion/basics/anatomy.html   (360 words)

  
 Digestive System
The digestive system includes the mouth, esophagus, liver, stomach, large intestine and small intestine.
The digestive system does the same thing, only backwards.
Then it goes into your small intestines and then to your large intestine.
http://www.ashlandschools.org/morgan_cottle/body/digestive.htm   (87 words)

  
 Digestive System Information
Mastication permits easier deglutition (swallowing) and faster chemical breakdown in the digestive tract.
Nutrition permits us to take in and use food substances that the body converts to energy and body structure.
The digestive system includes all the organs and glands involved in this process of eating and digesting.
http://www.umm.edu/bodyguide/reftext/html/dige_sys_fin.html   (949 words)

  
 Digestive system
Fact sheets by category > Health conditions > Digestive system > General > Digestive system.
The pancreas is one of the largest glands in the human body.
Food is broken down by the digestive system to give energy to every cell in the body.
http://www.betterhealth.vic.gov.au/bhcv2/bhcarticles.nsf/pages/Digestive_system?OpenDocument   (547 words)

  
 Digestive System - HealthWorld Online
Dr Jacob Teitelbaum MD Enzymes and Digestive Health
Dana Ullman, M.P.H. Homeopathic Medicines for Indigestion, Gas, and Heartburn: Natural Remedies You Can Stomach
Case from the Center: Illness and Intestinal Parasites
http://www.healthy.net/scr/condition.asp?ConditionId=97   (140 words)

  
 The Real Deal on the Digestive System
Love Your Liver, That's One Large Intestine, and Dig That Digestive System
This process, called digestion, allows your body to get the nutrients and energy it needs from the food you eat.
But it's still in your stomach - sort of like a science experiment that happens all the time!
http://kidshealth.org/kid/body/digest_noSW.html   (486 words)

  
 www.lessontutor.com: the Digestive System- printable picture worksheet
Let the whole class do 'The Wave' to cheer on the digestive process.
For example- the cardiac sphincter separating the esophagus from the stomach; the pyloric sphincter between the stomach and the duodenum; the ileo-caecal valve between the small and large intestines; and your anus.
In the digestive system, there are a number of places along the way that are designed to help regulate when, what direction, and how fast, food travels.
http://www.lessontutor.com/jm_digestive.html   (949 words)

  
 Hardin MD : Digestive System & Intestinal Diseases
Hardin MD : Digestive System & Intestinal Diseases
LookSmart : Digestive system diseases : Gastrointestinal diseases
Karolinska : Digestive system diseases : Pictures / Images
http://www.lib.uiowa.edu/hardin/md/gastro.html   (95 words)

  
 Your Gross and Cool Body - Digestive System
Your Gross and Cool Body - Digestive System
It's the story of your digestive system whose purpose is turn the food you eat into something useful -- for your body!
In your lifetime, your digestive system may handle about 50 tons!!
http://yucky.kids.discovery.com/noflash/body/pg000126.html   (594 words)

  
 Human Body Adventure - Digestive System Self-Quiz
Now that you have explored the Human Body Adventure, try the following self-quiz to check what you have learned.
How does the pancreas help us digest food?
Of Course I Know About The Digestive System!
http://vilenski.org/science/humanbody/hb_html/selftest/digestive   (66 words)

  
 MSN Encarta - Digestive System
Digestion generally involves two phases: a mechanical phase and a chemical phase.
Single-celled organisms, such as amoebas, rely on intracellular digestion (digestion within the cell).
Animals such as jellyfish and nonparasitic flatworms combine the intracellular process with some specialized digestive organs.
http://encarta.msn.com/encnet/refpages/RefArticle.aspx?refid=761575197   (1256 words)

  
 digestive_system_defects
Mutations of the RET proto-oncogene in Hirschsprung's disease.
This ileal diverticulum is one of the most common malformations of the digestive tract; it occurs in 2 to 4 percent of people.
Hirschsprung's disease is a digestive disorder which is caused by a single gene on chromosome 10.
http://www.goshen.edu/bio/dvert/dsd.htm   (1270 words)

  
 Digestive System
Digestion is the process by which food is changed into substances that can be absorbed and used by the body.
Our digestive system is like a disassembly line--it takes food apart and breaks it down into parts that our bodies can use.
So in other words, it is what your body does with the food you eat.
http://www.uen.org/utahlink/activities/view_activity.cgi?activity_id=3045   (724 words)

  
 Lecture 28: Digestive system
Digestion = hydrolysis - breakdown of macromolecules by the addition of water to form monomers; enzymes are called hydrolases.
- pancreatic hydrolases: trypsin, chymotrypsin (digest polypeptides to dipeptides); lipase (digests fats); pancreatic amylase (breakdown of CHOs to disaccharides); ribonuclease, deoxyribonuclease (degrades RNA, DNA into free nucleotides).
- most chemical digestion takes place in the initial portion of the small intestine called the duodenum
http://research.umbc.edu/~farabaug/sokolo6.html   (645 words)

  
 Digestive System
The path of food through the human digestive system includes the following organs and structures:
In humans, this terminates in the appendix, a finger-like extension which may function in the immune system.
Digestion is the process of breaking down food into molecules small enough for the body to absorb.
http://biology.clc.uc.edu/courses/bio105/digestiv.htm   (1363 words)

  
 Digestive System
Immense diversity in morphology and physiology of the digestive-excretory system
  Fat body cells are important sites of intermediate digestion.
  Transfer of midgut digested material to hemolymph > organs and tissues, and then waste products to malpighian tubules.
http://bugs.bio.nau.edu/Bio322/web_lectures/digestive_excretory.htm   (372 words)

  
 Digestive System
The Digestive System works on attaining nutrients from ingested food to be used by the body cells for cellular respiration and other functions.
The duodenum is the first 25 centimeters of the small intestine where most of digestion takes place.
The inner walls of the small intestine are covered in villi, which help increase the surface area many times.
http://www.ufrsd.net/ahs/Studacts/APBIO/HUMSYS/DIG/DIG.HTM   (340 words)

  
 AMA (Atlas) Digestive System
Your digestive system consists of organs that break down food into components that your body uses for energy and for building and repairing cells and tissues.
The last section of the digestive tract is the large intestine, which includes the cecum, colon, and rectum.
The liver, the gallbladder, and the pancreas produce enzymes and substances that help with digestion in the small intestine.
http://www.ama-assn.org/ama/pub/category/7155.html   (156 words)

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