Digestive  Organs
Organs that make up the digestive system <ul><li>Oral Cavity </li></ul><ul><li>Pharynx </li></ul><ul><li>Esophagus </li></...
Functions of the Digestive System <ul><li>Ingestion </li></ul><ul><li>Digestion (Mechanical digestion, Chemical digestion)...
  A great youtube video on  Digestion <ul><li>http://www.youtube.com/watch?v=Z7xKYNz9AS0 </li></ul>
Oral Cavity
Oral Cavity <ul><li>The oral cavity is the entrance to the GI tract.  </li></ul><ul><li>The epithelial lining of the oral ...
Pharynx
Pharynx <ul><li>The pharynx is the common space used by both the respiratory and digestive systems.  </li></ul><ul><li>The...
Esophagus
Esophagus <ul><li>The esophagus is a tubular passageway for swallowing materials being conducted from the pharynx to the s...
Stomach, or hot air balloon? NOT a good life style choice
Stomach
Stomach <ul><li>The stomach is a muscular, J-shaped sac the occupies the left upper quadrant of the abdomen, immediately i...
Large Intestine
Large Intestine <ul><li>Also known as the “large bowel” </li></ul><ul><li>It is split into 5 sections:  </li></ul><ul><li>...
 
Small Intestine <ul><li>The small intestine is also called the small bowel.  </li></ul><ul><li>The small intestine is comp...
Anus
Anus   At the base of the anal canal are the  internal and external anal sphincters,  which close off the opening to the  ...
THE END
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Digestion powerpoint

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Melinda Costa and Tara Werry

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Digestion powerpoint

  1. 1. Digestive Organs
  2. 2. Organs that make up the digestive system <ul><li>Oral Cavity </li></ul><ul><li>Pharynx </li></ul><ul><li>Esophagus </li></ul><ul><li>Stomach </li></ul><ul><li>Small Intestine </li></ul><ul><li>Large Intestine </li></ul><ul><li>Anus </li></ul>
  3. 3. Functions of the Digestive System <ul><li>Ingestion </li></ul><ul><li>Digestion (Mechanical digestion, Chemical digestion) </li></ul><ul><li>Peristalsis </li></ul><ul><li>Secretion </li></ul><ul><li>Absorption </li></ul><ul><li>Elimination </li></ul>
  4. 4. A great youtube video on Digestion <ul><li>http://www.youtube.com/watch?v=Z7xKYNz9AS0 </li></ul>
  5. 5. Oral Cavity
  6. 6. Oral Cavity <ul><li>The oral cavity is the entrance to the GI tract. </li></ul><ul><li>The epithelial lining of the oral cavity is a nonkeratinized stratified squamous epithelium. </li></ul><ul><li>The oral cavity has two distinct regions: The Vestibule and The Oral Cavity Proper </li></ul>
  7. 7. Pharynx
  8. 8. Pharynx <ul><li>The pharynx is the common space used by both the respiratory and digestive systems. </li></ul><ul><li>The pharynx is divided into three regions: Nasopharynx, Oropharynx, Laryngopharynx </li></ul><ul><li>Three skeletal muscle pairs, called the superior, middle, and inferior pharyngeal constrictors, form the wall of the pharynx. </li></ul>
  9. 9. Esophagus
  10. 10. Esophagus <ul><li>The esophagus is a tubular passageway for swallowing materials being conducted from the pharynx to the stomach. </li></ul><ul><li>The inferior region of the esophagus connects to the stomach by passing through an opening in the diaphragm called the esophageal hiatus. </li></ul><ul><li>In the adult human, the esophagus is about 25 centimeters long, and most of its length is within the thorax, directly anterior to the vertebral bodies. </li></ul>
  11. 11. Stomach, or hot air balloon? NOT a good life style choice
  12. 12. Stomach
  13. 13. Stomach <ul><li>The stomach is a muscular, J-shaped sac the occupies the left upper quadrant of the abdomen, immediately inferior to the diaphragm. </li></ul><ul><li>The stomach is composed of four regions: Cardia, Fundus, Body and Pyloris. </li></ul><ul><li>The stomach also includes: Greater Curvature, Lesser Curvature and Gastric Folds. </li></ul>
  14. 14. Large Intestine
  15. 15. Large Intestine <ul><li>Also known as the “large bowel” </li></ul><ul><li>It is split into 5 sections: </li></ul><ul><li>Ascending Colon </li></ul><ul><li>Transverse Colon </li></ul><ul><li>Descending Colon </li></ul><ul><li>Rectum </li></ul><ul><li>Anal Canal </li></ul>
  16. 17. Small Intestine <ul><li>The small intestine is also called the small bowel. </li></ul><ul><li>The small intestine is composed of three regions: Duodenum, Jejunum, and Ileum. </li></ul><ul><li>The duodenum is the first segment of the small intestine. </li></ul><ul><li>The jejunum is the middle region. </li></ul><ul><li>The ileum is the last region. </li></ul>
  17. 18. Anus
  18. 19. Anus At the base of the anal canal are the internal and external anal sphincters, which close off the opening to the anal canal and open during defecation. .
  19. 20. THE END

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