The Digestion System

Question 0

What are the four types of teeth and their use

Answer 0

Incisors- to cut and bite food
Canines- grip and tear food
Pre molars- crush and grind food
Molars- crush and grind food

Question 1

What does the mouth do?

Answer 1

It takes in and digests the food, two types of digestion happen here. Physical and chemical.

Question 2

What does the oesophagus do

Answer 2

Pushes food down to the stomach by waves of muscular action

Question 3

What does the stomach do

Answer 3

Stores food for four to six hours. Hydrochloric acid kills bacteria in the stomach . Both physical and chemical digestion occur in the stomach.

Question 4

What does the small intestine do?

Answer 4

The breakdown of the food finishes here. The small pieces of digested food pass into the bloodstream- absorption

Question 5

What does the large intestine do?

Answer 5

The un-digested waste goes into the large intestine. The large intestine takes the water out of the waste and back into the body. A semi solid waste called faeses is made. It leaves the body through the anus

Question 6

What does the liver do

Answer 6

The liver produces bile which break down fat. The bile goes into the small, intestine

Question 7

What does the pancreas do?

Answer 7

It produces enzymes, the enzymes enter the small intestine to help digest food

Question 8

Name an enzyme

Answer 8

Salivary Amylase

Question 8

What is the substance that Salivary Amylase works on

Answer 8

Starch

Question 8

What is the product due to the action of Salivary Amylase

Answer 8

Maltose

Question 9

Give the five main stages of digestion

Answer 9

Eating
Digestion
Absorption
Food is used by the body
Undigested food is passed out of the body

Question 10

Explain digestion and why we need to digest food

Answer 10

The breakdown of food

We need to digest food so it can be absorbed into our bloodstream in the small intestine