Explain the role of mouth cavity


Explain the role of mouth cavity in digestion of food.

  1. Moistening of food with saliva,
  2. Tongue helps in thorough mixing of food with saliva.
  3. Crushing of food into smaller pieces by teeth,
  4. Partial digestion of starch by enzyme amylase contained in saliva,
  5. Rolling of crushed, moistened and partially digested food into small ball or bolus by the tongue.

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