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Digestive System
The Human Body
The Digestive System



The Digestive System
Reading Level
     edHelper's suggested reading level:   grades 7 to 8
     Flesch-Kincaid grade level:   8.49

Vocabulary
     challenging words:    alimentary, useable, roughage, gall, bile, gastric, regulate, various, further, rectum, automatic, fuel, action, repair, wherever, continue


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Other Languages
     French: Le Système Digestif
     Spanish: El sistema digestivo
     Italian: L'apparato digerente
     German: Das Verdauungssystem


The Digestive System
By Sharon Fabian
  

1     The digestive system is the group of organs that breaks down food so that the body can use it. Food must be broken down all the way to its individual molecules to be useable. This involves a number of steps, and different organs to do different parts of the job.
 
2     Once food is broken down it provides energy for many essential body functions. It provides the energy for all of our physical activity such as walking, playing sports, working, and talking. It also provides the energy for other, more automatic, activities including breathing and thinking. Food provides the energy for the nerves, muscles, and organs, including the heart, to continue working. It provides the fuel to build and repair body tissues. Food energy is needed to regulate body organs and systems. It is the fuel that provides heat to keep our body temperature at a steady 98.6 degrees.
 
3     The digestive process begins in the mouth. There, the teeth and the muscles of the mouth begin the digestive process by breaking down the food into smaller bits. Saliva, produced by the salivary glands, begins to digest the food before it is even swallowed. Saliva and the other chemicals produced along the way to speed the digestive process are called digestive enzymes.

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Digestive System
             Digestive System


The Human Body
             The Human Body



Health
    Alcohol  
 
    Bicycle Safety  
 
    Circulatory System  
 
    Digestive System  
 
    Disabilities  
 
    Drugs  
 
    Excretory System  
 
    Food Pyramid  
 
    Health Professionals  
 
    Healthy Life  
 
    Hygiene  
 
    Illnesses  
 
 
    Medical Tools  
 
    Miscellaneous Health Topics  
 
    Muscular System  
 
    Nervous System  
 
    Nutrition  
 
    Reproductive System  
 
    Respiratory System  
 
    Skeletal System  
 
    Teeth  
 
    The Five Senses  
 
    The Human Body  
 
    Tobacco  
 


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