Digestive The digestive system is a by xuyuzhu


									The digestive system is a series of hollow organs joined in a long tube
from the mouth to the anus. The main function of the digestive
system is to break down the food we eat into smaller parts so the
body can use them for energy and cell nourishment.

Main organs

 The digestive tract is also known as the
  alimentary canal and consists of what is known as
  an upper gastrointestinal tract and a lower GI. The
  upper is composed of the mouth, pharynx,
  esophagus, and the stomach while the lower is
  made up of the bowels, the small and large
  intestines and the anus rectum large intestine
  small intestine. These are the main organs of the
  digestive system.
Function of the organs

 Mouth: The mouth is the first portion of the
  alimentary canal that receives food and saliva.
 pharynx: The human pharynx (plural: pharynges)
  is the part of the throat situated immediately
  posterior to (behind) the mouth .
 Esophagus : The esophagus is the tube that
  carries food, liquids and saliva from your mouth
  to the stomach.
 Small intestine: The small intestine finishes the
  process of digestion, absorbs the nutrients,
  and passes the residue on to the large intestine.
Function organs

 Large intestine : The large intestine (or large
  bowel) is the part of the digestive system where
  waste products from the food you eat are
  collected and processed into feces.
 Anus : The anus is an opening at the opposite
  end of an animal's digestive tract from
  the mouth.
 Rectum : The rectum is the final straight portion
  of the large intestine in some mammals.

 Homeostasis : The ability or tendency of an
  organism or cell to maintain
  internal equilibrium by adjusting its
  physiological processes.
 How the body system helps to maintain
  homeostasis ?
  All of the body's systems work together to
  maintain balance in the body, ...
Digestive Disease

 Etiology.—The causes that give rise to
  stomatitis are generally local,
 though it may rise from gastric or intestinal
  derangements, chemical
 and mechanical irritants being the most
  common, such as sharp edges of
 broken or carious teeth; very hot drinks, such
  as tea and coffee.
Digestive disease

 Diagnosis.—The diagnosis is easily made.
  The red, inflamed character
 of the mucous membrane; the tenderness,
  the burning sensation, dry
 mouth, followed by hyper secretion of mucus,
  are symptoms which can
 not be mistaken for those of any other
Picture of digestive system
Pictures of digestive system
Sources of digestive system
 Google
 www. Cooper health.com
 www. Right health.com
 Wikipedia.org
 Kids health.org

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