Question:
Explain the role of mouth cavity in digestion of food.
Solution:
- Moistening of food with saliva,
- Tongue helps in thorough mixing of food with saliva.
- Crushing of food into smaller pieces by teeth,
- Partial digestion of starch by enzyme amylase contained in saliva,
- Rolling of crushed, moistened and partially digested food into small ball or bolus by the tongue.