Digestion Chapter 3 Science

There are 4 kinds of teeth. Which one is pointed and used for tearing food?

• Chisel-shaped incisors

• Canines

• Premolars

• Molars

Which large molecules would be breakdown in our digestive system?

(answer could be more than 1)

• Carbohydrate

• Cellulose

• Protein

• Fat

• Vitamin

Along the alimentary canal, saliva is made by 3 pairs of salivary glands.

Saliva contain an enzyme called ...

• amylase

• peptidase

• sucrase

• maltase

(a)   is a slimy substance that coats the food and makes it easier to swallow.

When we swallow food, the food go along through gullet due the muscular contraction movement called ...

• diffusion

• stretching

• mechanics

• peristalsis

Why you should not talk when you are swallowing food?

Enzyme can speed up the chemical process inside our body. What enzyme classified into?

• initiator

• activator

• catalyst

• accelerator

Amylase in saliva breaks ________ down into dextrose and maltose.

• starch

• protein

• fat

• lipid

Chewed food is made into a pellet called the ________.

• bolus

• mucus

• mucin

• gullet

Are you already discuss with your parents about the donation for the Non-Violence Day?

• Yes already

• Not yet