20. Mechanical digestion is when you chew the food
using your teeth, and when your esophagus
swallows the food using peristalsis
Chemical digestion is where your stomach
dissovles the food in your mouth by saliva, or
when the enzymes and bile break it down in the
stomach
22. The Molars (back teeth) are used
for chewing and grinding food
The Premolars (bicuspids) have a
flat biting surface, they tear and
crush food
The Canines (eyeteeth) have a
sharp, pointed biting surface and
has grip to tear food
The Incisors (front teeth) are used
for cutting food into small chewable
pieces
24. An acute or chronical inflammation on
mucose layer of stomach wall