Soguilon, jhomer denn
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  • A good way to describe peristalsis is an ocean wave moving through the muscle. These diagrams don’t separate the esophagus from the mouth functions, you might want to talk about what happens in the mouth too.
  • The stomach takes around 4 hours to do it’s job on the food, depending on what kinds of food are digested.
  • Depending on the maturity of the group, you can talk about the feces leaving via the anus. Mention the appendix at the bottom of the ascending colon and that it might have been used long ago but is not today Mention the portions of the large intestine, ascending, transverse, descending, sigmoid, and rectum (last one if the audience is mature enough)
  • Livers can regenerate missing pieces if necessary. Is one of the largest organs in the body.
  • Explain to students that removing the stones typically means removing the gallbladder, but that the body eventually adjusts to not having the bile stored.
  • Explain the difference between the two types of diabetes. In type 1, the pancreas fails to produce enough insulin. In type 2, the body stops responding properly to the insulin it creates.

Soguilon, jhomer denn Soguilon, jhomer denn Presentation Transcript

  • THE DIGESTIVESYSTEM
  • PARTS OF DIGESTIVE SYSTEM• Mouth• Pharynx• Esophagus• Stomach• Small Intestine• Large Intestine• Accessory Organs
  • MOUTHTeeth mechanically Epiglottis is a flap-like break down food into structure at the back of small pieces. Tongue the throat that closes mixes food with saliva over the trachea (contains amylase, preventing food from which helps break entering it. down starch).
  • PHARYNX The human pharynx (plural: pharynges) is the part of the throat situated immediately inferior to (below) the mouth and nasal cavity, and superior to the esophagus and larynx. The human pharynx is conventionally divided into three sections: the nasopharynx (epipharynx), the oropharynx (mesopharynx), and the laryngopharynx (hypopharynx). The pharynx is part of the digestive system and also the respiratory system; it is also important in vocalization.03/06/13 4
  • ESOPHAGUSApproximately 10” longFunctions include:1.Secrete mucus2.Moves food from the throat to the stomach using muscle movement called peristalsisIf acid from the stomach gets in here that’s heartburn.
  • STOMACHJ-shaped muscular bag that stores the food you eat, breaks it down into tiny pieces.Mixes food with digestive juices that contain enzymes to break down proteins and lipids.Acid in the stomach kills bacteria.Food found in the stomach is called chyme.
  • SMALL INTESTINESmall intestines are roughly 7 meters longLining of intestine walls has finger-like projections called villi, to increase surface area.The villi are covered in microvilli which further increases surface area for absorption.
  • SMALL INTESTINENutrients from the food pass into the bloodstream through the small intestine walls.Absorbs:  80% ingested water  Vitamins  Minerals  Carbohydrates  Proteins  Lipids • Secretes digestive enzymes 8
  • LARGE INTESTINEAbout 5 feet longAccepts what small intestines don’t absorbRectum (short term storage which holds feces before it is expelled).
  • LARGE INTESTINEFunctions  Bacterial digestion  Ferment carbohydrates  Protein breakdown – Absorbs more water – Concentrate wastes
  • ACCESSORY ORGANS Not part of the path of food, but play a critical role. Include: Liver, gall bladder, and pancreas
  • LIVERDirectly affects digestion by producing bile Bile helps digest fat • filters out toxins and waste including drugs and alcohol 12
  • GALL BLADDERStores bile from the liver, releases it into the small intestine.Fatty diets can cause gallstones
  • PANCREASProduces digestive enzymes to digest fats, carbohydrates and proteinsRegulates blood sugar by producing insulin
  • FUN FACTS• HOW LONG ARE YOUR INTESTINES? At least 25 feetin an adult. Be glad youre not a full-grown horse -- theircoiled-up intestines are 89 feet long!• Food drying up and hanging out in the large intestinecan last 18 hours to 2 days!• In your lifetime, your digestive system may handleabout 50 tons!!
  • ON A SHEET OF PAPER, WRITE THE NAME OF EACH COLORED ORGAN:Green:Red:Pink:Brown:Purple:Green:Yellow:
  • HOW’D YOU DO?Green: EsophagusRed: StomachPink: Small IntestineBrown: Large IntestinePurple: LiverGreen: Gall BladderYellow: Pancreas Great Job!
  • REFERENCES AND LINKSYour Digestive System and How It Works  Digestive system diagram comes from this siteThe Real Deal on the Digestive SystemPancreas: Introduction and IndexYour Gross and Cool Body - Digestive System
  • THE DIGESTIVE SYSTEM03/06/13 20
  • MOUTH03/06/13 21
  • PHARYNX03/06/13 22
  • ESOPHAGUS03/06/13 23
  • STOMACH03/06/13 24
  • SMALL INTESTINE03/06/13 25
  • LARGE INTESTINE03/06/13 26
  • LIVER03/06/13 27
  • GALL BLADDER03/06/13 28
  • PANCREAS03/06/13 29
  • ASSIGNMENTWhat are the processes involve in the digestion of food?What are the two kind of digestion?03/06/13 30
  • SUBMITTED BY: JHOMER DENN R. SOGUILON BEED III-B03/06/13 31