Digestive System22


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Digestive System22

  1. 1. Digestive System <ul><li>Jae Kim </li></ul>
  2. 2. What is Digestion? <ul><li>Breaking down of food into forms that our bodies can use </li></ul><ul><li>Bodies use food as fuel to provide energy for work, play and growth. </li></ul><ul><li>Digestive system is responsible for converting the food we eat into energy for our bodies to use. </li></ul>
  3. 3. How does Digestion begin? <ul><li>Digestion begins when people put food in their mouth and begin to chew. </li></ul><ul><li>People’s teeth help to break the food apart. </li></ul><ul><li>saliva helps to soften the food and the tongue helps to push the food into the throat </li></ul>
  4. 4. Where does the food go when we swallow? <ul><li>food goes into a tube called the esophagus . </li></ul><ul><li>The Esophagus is a tube about 25 centimeters long that connects the mouth to the stomach. </li></ul><ul><li>The muscles that surround the esophagus help to squeeze and push the food into the stomach. </li></ul>
  5. 5. What is the stomach? <ul><li>The stomach is a sack that receives the food from the esophagus. </li></ul><ul><li>The stomach is located just below the heart. </li></ul><ul><li>The stomach makes acids and enzymes that help to break the food down into a thick liquid or paste. </li></ul><ul><li>This thick liquid or paste is called chyme . </li></ul><ul><li>Food usually remains in the stomach for about two hours. </li></ul>
  6. 6. Foods after it leaves the stomach <ul><li>food enters the small intestine . </li></ul><ul><li>The small intestine is a 20-25 foot tube that is coiled up in your abdomen. </li></ul><ul><li>The center of the small intestine is right behind the belly button. </li></ul><ul><li>Small intestine is responsible for transferring all of the broken down carbohydrates, proteins and fats into the blood stream so that the body can use them for energy. </li></ul><ul><li>The nutrients are absorbed by small finger like projections called villi. </li></ul>
  7. 7. The large intestine’s function <ul><li>the waste is moved into the large intestine. </li></ul><ul><li>Water is removed and the waste is stored in the rectum. </li></ul><ul><li>It can then be passed out of the body through the anus . </li></ul>
  8. 8. Digestive disease <ul><li>Diarrhea </li></ul><ul><li>One of digestive disease </li></ul><ul><li>According to the studies, Bacteria, viruses, emotional upset, stress and certain drugs can cause diarrhea </li></ul><ul><li>To prevent, </li></ul><ul><li>Drink lots of water </li></ul><ul><li>Avoid caffeine </li></ul><ul><li>Wash hands with soap after going to the bathroom or handling uncooked meat </li></ul><ul><li>Do not eat meat, fish or egg if they are uncooked </li></ul>
  9. 9. Constipation, Heartburn <ul><li>Constipation </li></ul><ul><li>-Stress, diet and ignoring the urge to go to the bathroom can all cause constipation. </li></ul><ul><li>-When stools pass through the colon too slowly, the large intestine draws too much water from them, making them difficult to pass </li></ul><ul><li>To prevent, </li></ul><ul><li>Drink six to eight glasses of water or juice every day </li></ul><ul><li>Eat fruits, vegetables, and whole grain breads and cereals </li></ul><ul><li>Get plenty of regular exercise </li></ul><ul><li>Heartburn </li></ul><ul><li>-When the muscle between your esophagus and stomach doesn't close adequately, stomach acid can wash back into the esophagus. </li></ul><ul><li>-This creates heartburn, a burning feeling just below or behind your breastbone. </li></ul><ul><li>-caused by certain foods and eating habits, smoking and stress, among other things. </li></ul><ul><li>To prevent, </li></ul><ul><li>Avoiding alcohol, caffeine, citrus drinks, chocolate, mint or spicy foods may help prevent heartburn. </li></ul><ul><li>Don’t take pain relievers such as aspirin. </li></ul>