Question

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

1. Teeth - 
2. Saliva

Answer 1

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.