Question

11. The process of digestion involves mechanical as well as chemical breakdown of
food. Identify the organs, the actions, and the enzymes that break down food
using mechanical, chemical or both methods and accordingly fill the words in
the Venn diagram.
(stomach, biting, pepsin, peristalsis, chyme, mouth, chewing, amylase)
Mechanical
Both
Chemical
snack
mouth
chaving
biling​

Answer 1

Both mechanical and chemical digestion occur in the mouth. Teeth grind and break up food (mechanical), while an enzyme in saliva called amylase begins to break down carbohydrates (chemical). After it is swallowed, the chewed food (now called a bolus) moves down the esophagus.

Answer 2

Answer:

mouth both

amylase chemical

biting mouth

stomach both

chyme chemical

pepsin chemical

chewing mechanical