Class 9 ICSE Chapter 11 Digestive system
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6 Terms
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Digestive system
digestion is The breakdown of naturally occurring food stuffs into diffusable form
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Enzymes
An enzyme is a protein that acts on a specific substance to form a specific end product. It best acts at a particular temperature and pH.
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Peristalsis
It is defined as the rhythmic contraction and relaxation of the muscles of the alimentary canal which pushes the food along the gut.
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Dentition
The arrangement of teeth in a particular species is called dentition.
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Defaecation
The expulsion of undigested remains of food from the alimentary canal is called defaecation.
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Assimilation
It is the conversion of the absorbed digested food into body material.
Note 
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