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What is the digestive system

This can irritate and inflame the lining of the stomach (gastritis) or cause peptic ulcers, which are sores or holes in the lining of the stomach or the duodenum that cause pain or bleeding.An acidic environment is needed for the digestion that takes place in the stomach.The digestive system uses mechanical and chemical methods to break food down into nutrient molecules that can be absorbed into the.At its simplest, the digestive system is a tube running from mouth to anus.Kids learn more about the science of the human digestive system.

A walnut-sized muscular valve at the outlet of the stomach called the pylorus keeps chyme in the stomach until it reaches the right consistency to pass into the small intestine.The pictures in this section are reprinted with permission by the.As soon as you put a piece of food in your mouth, the digestive process.Esophagitis (inflammation of the esophagus) can be caused by infection, certain medications, or gastroesophageal reflux disease (GERD).The digestive system enables your body to convert food into usable nutrients through a chemical breakdown process.

The Digestive System - e- Missions

Learn about how the digestive system works which is essential in the breaking down of food and releasing energy.

Problems of the Digestive System - ACOG

Most substances in the food we eat need further digestion and must travel into the intestine before being absorbed.Learn more about the organs that make up this complex system.A doctor may also prescribe medications to relieve diarrhea or constipation.The Digestive Tract: Mouth to the Stomach - The digestive tract starts at the mouth and ends at the anus.The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and.In this system, the process of digestion has many stages, the first of which starts in the mouth.Swallowing, which is accomplished by muscle movements in the tongue and mouth, moves the food into the throat, or pharynx.

Chyme is then squirted down into the small intestine, where digestion of food continues so the body can absorb the nutrients into the bloodstream.The digestive system of gastropods (slugs and snails of every kind) has evolved to suit almost every kind of diet and feeding behavior.Teacher Version In this lab you will learn about your digestive system.The classic symptoms of appendicitis are abdominal pain, fever, loss of appetite, and vomiting.As the teeth tear and chop the food, saliva moistens it for easy swallowing.The main function of the digestive system is to convert food to energy and eliminate waste.

The digestive system is made up of the alimentary canal (also called the digestive tract ) and the other abdominal organs that play a part in digestion, such as the liver and pancreas.Watch this movie about your digestive system, the system that handles the food you eat.The main functions of the digestive system is to digest the foods you eat, absorbs those nutrients from the foods you eat, and disposes of the waste product (poop).When we see, smell, taste, or even imagine a tasty meal, our salivary glands, which are located under the tongue and near the lower jaw, begin producing saliva.The digestive process starts even before the first bite of food.A flexible flap of tissue called the epiglottis reflexively closes over the windpipe when we swallow to prevent choking.

Biology4Kids.com: Animal Systems: Digestive System

By the time food reaches the large intestine, the work of absorbing nutrients is nearly finished.

The Digestive System: Multiple-Choice Questions

What Is the Digestive System? (with pictures) - wiseGEEK

Digestive system is the food processing system of human body.

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder).In response to this sensory stimulation, the brain sends impulses through the nerves that control the salivary glands, telling them to prepare for a meal.This mucus also prevents digestive juices from entering the intestines, making it difficult to properly digest proteins and fats.In humans, protein must be broken down into amino acids, starches into simple sugars, and fats into fatty acids and glycerol.The human digestive system consists primarily of the digestive tract, or the.

Digestive System Information - Adam

This patient education FAQ provides an overview of digestive problems, including constipation, diarrhea, acid reflux, hemorrhoids, IBS, and more.The appendix, a small, hollow, finger-like pouch, hangs at the end of the cecum.Although gallbladder conditions are uncommon in kids and teens, they can happen in those who have.Learn more about your digestive system, the dangers of anti-ulcer drugs, and why good digestion is crucial for your vitamin B12 levels.In the mouth, stomach, and small intestine, the mucosa contains tiny glands that produce juices to help digest food.