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The Digestive System Bleecker-Style  
Table of Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How the Body is Organized 1.  Cellular Level - Individual cells are the basic building blocks of life 2.  Tissue level - Tissue is formed when groups of cells act together 3.  Organ Level - An organ is a system of tissues working together 4.  System Level - Many organs acting together form a system, such as the DIGESTIVE SYSTEM
Introduction to the Digestive System ,[object Object]
What is Digestion? ,[object Object]
2 Phases of Digestion ,[object Object],[object Object],[object Object]
4 Components of Digestion ,[object Object],[object Object],[object Object],[object Object]
The Organs of Digestion
Mouth ,[object Object],[object Object],[object Object]
Parts of the Mouth 20 Baby Teeth 32 Adult Teeth Wisdom Teeth …
 
Salivary Glands in the Mouth
Swallowing and the Epiglottis Air enters via pharynx The epiglottis is a flap of tissue that has a very important job It covers the trachea when swallowing to prevent food to lungs It covers the esophagus when we breath, so air goes to lungs
 
Esophagus ,[object Object]
Stomach ,[object Object],[object Object],[object Object],[object Object]
Stomach Protection from Acid ,[object Object],[object Object],[object Object]
Stomach Ulcers OUCH!
Small Intestine ,[object Object],[object Object],[object Object]
Small Intestine in Cross Section SA is increased by fingerlike projections called VILLI These do the actual absorbing of fats, proteins and carbohydrates
Villi Close up
 
Small Intestine – 3 Sections   Stomach   to 1. Duodenum   to  2. Jejenum   to  3. Ileum
Focus on the Duodemum
Enzyme Action in Duodemum ,[object Object],[object Object],[object Object],[object Object],[object Object]
Regulating Digestive Secretions ,[object Object],[object Object],[object Object],[object Object],[object Object]
Classic Feeback Loop - CCK stimulates liver and pancreas
Note that in Stomach, HCl Activates an Enzyme ,[object Object],[object Object]
Pancreas ,[object Object],[object Object],[object Object],[object Object]
Liver ,[object Object],[object Object],[object Object]
Gall Bladder ,[object Object]
Large Intestine ,[object Object],[object Object],[object Object]
3 Regions of Large Intestine you must Know
AssiGnments ,[object Object],[object Object],[object Object],[object Object],[object Object]

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Digestive System Teacher

  • 1. The Digestive System Bleecker-Style 
  • 2.
  • 3. How the Body is Organized 1. Cellular Level - Individual cells are the basic building blocks of life 2. Tissue level - Tissue is formed when groups of cells act together 3. Organ Level - An organ is a system of tissues working together 4. System Level - Many organs acting together form a system, such as the DIGESTIVE SYSTEM
  • 4.
  • 5.
  • 6.
  • 7.
  • 8. The Organs of Digestion
  • 9.
  • 10. Parts of the Mouth 20 Baby Teeth 32 Adult Teeth Wisdom Teeth …
  • 11.  
  • 12. Salivary Glands in the Mouth
  • 13. Swallowing and the Epiglottis Air enters via pharynx The epiglottis is a flap of tissue that has a very important job It covers the trachea when swallowing to prevent food to lungs It covers the esophagus when we breath, so air goes to lungs
  • 14.  
  • 15.
  • 16.
  • 17.
  • 19.
  • 20. Small Intestine in Cross Section SA is increased by fingerlike projections called VILLI These do the actual absorbing of fats, proteins and carbohydrates
  • 22.  
  • 23. Small Intestine – 3 Sections Stomach to 1. Duodenum to 2. Jejenum to 3. Ileum
  • 24. Focus on the Duodemum
  • 25.
  • 26.
  • 27. Classic Feeback Loop - CCK stimulates liver and pancreas
  • 28.
  • 29.
  • 30.
  • 31.
  • 32.
  • 33. 3 Regions of Large Intestine you must Know
  • 34.