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Explain the importance of each of the following during digestion in man.

  1. Teeth - 
  2. Saliva

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  1. Teeth - Cut and grind food to increase surface area for digestion; and easy swallowing.
  2. Saliva - contain water which is a medium for chemical reactions; and acts as a solvent
               -contain salivary amylase/ptyalin which digests starch to maltose. Any first one.

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