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Difference between revisions of "Digestion"

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: [[Digestion]] is done by the [[Digestive System|digestive systems]] of [[animal]]s.
 
: [[Digestion]] is done by the [[Digestive System|digestive systems]] of [[animal]]s.
  
 
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===About Digestion in Humans===
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: [[Digestion]] begins in the [[mouth]] where [[teeth]] break the food into smaller pieces.
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: It continues in the [[stomach]] where [[chemical]]s known as [[enzyme]]s are added to break down large [[molecule]]s into smaller ones.
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: [[Digestion]] then continues in the [[Small Intestine|small intestine]] where large [[molecule]]s continue to be broken down.
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: Finally, when the [[molecule]]s are small enough, the [[Small Intestine|small intestine]] [[Absorb (biology)|absorbs]] the [[nutrient]]s into the [[blood]] stream.
  
  

Revision as of 12:13, 16 September 2018

Key Stage 3

Meaning

Digestion is breaking down food into smaller pieces so it can be absorbed into the blood stream.

About Digestion

Digestion is done by the digestive systems of animals.

About Digestion in Humans

Digestion begins in the mouth where teeth break the food into smaller pieces.
It continues in the stomach where chemicals known as enzymes are added to break down large molecules into smaller ones.
Digestion then continues in the small intestine where large molecules continue to be broken down.
Finally, when the molecules are small enough, the small intestine absorbs the nutrients into the blood stream.


Key Stage 4

Meaning

Digestion is the process of breaking down large insoluble molecules in food into small soluble molecules that can be absorbed into the blood stream.