Human Digestive System

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What is the typical number of teeth a three-year-old child has?

32
24
20 (correct)
16

What is the primary function of incisors?

Swallowing food
Tearing food
Grinding and chewing food
Cutting and biting food (correct)

What happens to the milk teeth at the age of six?

They become loose
They change color
They become stronger
They start to fall out (correct)

What is the total number of permanent teeth an adult has if they have looked after their teeth properly?

32 (A) Signup and view all the answers

What is the purpose of canine teeth?

To tear food (C) Signup and view all the answers

What is the name of the bigger, flatter teeth at the back of the mouth?

Molars and premolars (B) Signup and view all the answers

What is the primary function of the stomach in the digestion process?

To break down food into smaller particles (C) Signup and view all the answers

What is the role of salivary glands in the digestion process?

To produce saliva that softens food and starts the digestion of starches (C) Signup and view all the answers

What happens to the undigested food and fibre in the large intestine?

Water is absorbed from them and the solid part is sent out of the body as faeces (B) Signup and view all the answers

What is the function of the small intestine in the digestion process?

To absorb nutrients into the bloodstream (D) Signup and view all the answers

How does the tongue help in the digestion process?

By mixing food with saliva (B) Signup and view all the answers

What is the role of the acid in the stomach?

To kill harmful germs and bacteria and help digest proteins (D) Signup and view all the answers

What is the primary purpose of brushing your teeth?

To remove small bits of food stuck between your teeth (C) Signup and view all the answers

What is the result of acid forming on your teeth due to sugar and plaque?

Small holes form in the enamel that covers the teeth (D) Signup and view all the answers

What is the purpose of saliva in the digestion process?

To break down food into smaller particles (A) Signup and view all the answers

What is the main reason for visiting a dentist?

To have cavities filled (C) Signup and view all the answers

What is the name of the sticky layer of germs that can form on your teeth?

Plaque (A) Signup and view all the answers

What is the land animal with the most teeth?

Armadillo (D) Signup and view all the answers

What happens to the food in the mouth?

It is ground and mixed with digestive juices (A) Signup and view all the answers

What is the main function of the pancreas in the digestive process?

To produce digestive juices that break down fats (B) Signup and view all the answers

What is the role of the liver in the digestive process?

To filter the blood and produce bile (D) Signup and view all the answers

Where is the bile stored in the body?

In the gall bladder (A) Signup and view all the answers

What is the role of the gall bladder in the digestive process?

To store bile produced by the liver (B) Signup and view all the answers

What is the main function of the stomach in the digestive process?

To kill bacteria and grind food (D) Signup and view all the answers

What is the main purpose of the digestive system?

To break down food into substances that can be absorbed by the body (A) Signup and view all the answers

What is the main function of saliva and other digestive juices?

To break down food into smaller particles (D) Signup and view all the answers

At what age do children typically have a full set of teeth?

3 years (B) Signup and view all the answers

What happens to food after it is consumed?

It passes through several stages before being absorbed by the body (A) Signup and view all the answers

Why do humans and animals need food and water?

To live and function properly (C) Signup and view all the answers

What happens to a baby's diet when they start growing teeth?

They start eating a combination of liquids and solid foods (A) Signup and view all the answers