Teeth are used to break down food before it is swallowed.

To observe is to look very closely and use other senses too.

Incisors are sharp, flat teeth found at the front of the mouth.

Canines are slightly pointed teeth at the sides of your mouth, they are used for tearing food.

Molars are teeth found at the back of the jaw with a rounded or flattened surface. They are used for grinding and chewing food.

Types of teeth

Science

The functions of teeth

Different teeth for different food

Carnivore, herbivore and omnivore teeth (non-statutory)

Looking after our teeth: plan and do  (non-statutory)

Looking after our teeth: review (non-statutory)

Comparing toothpaste (non-statutory)

The human digestive system

More about the journey of food

Presenting the human digestive system

In this The human digestive system unit, pupils learn to describe the simple functions of the basic parts of the digestive system in humans. In the Human circulatory system and keeping healthy unit, they will build on this knowledge to identify and name the main parts of the human circulatory system

In the Human body parts units, pupils learnt to identify and name the basic parts of the human body. In this The human digestive system unit, pupils will build on this knowledge to identify different types of teeth and the basic parts of the digestive system in humans

This unit covers the basic functions of the human digestive system and identifies different types of teeth and their functions. It focuses on asking questions, gathering and presenting data, recording findings with diagrams and charts, and reporting results through written and oral presentations.

Introduction to the human digestive system

The digestive system breaks down food into small particles, which are absorbed into the blood.

The tasks or jobs that a thing has are its functions.

Incisors are teeth that are used to bite and cut food.

Canines are teeth that are used for tearing and ripping food.

To identify something is to be able to name it correctly.

The tasks or jobs that an object has are its functions.

An omnivore is an animal that eats both plants and other animals.

To classify is to sort objects into groups.

A diet is the variety of food animals or people eat regularly.

A carnivore is an animal that eats mostly animals.

A herbivore is an animal that eats mostly plants.

We compare things by looking at what is the same and what is different.

Enamel is the hard shiny outer layer covering the surface of a tooth.

Plaque is a sticky substance which forms a coating on teeth and gums.

When teeth decay, they gradually break down and rot away.

Fluoride toothpaste is very effective in preventing tooth decay.

We make observations when we look closely at something and use other senses too.

Data is information collected during an investigation. It may be numbers, symbols, pictures or text.

In a conclusion, scientists explain what the results show or mean.

Sugar is used to flavour food and drinks to give them a sweet taste.

A graph is a visual way to display results to make them easy to understand.

The task that something has is its function.

Toothpaste is a thick, soft, moist substance used on a brush for cleaning one's teeth.

Plaque is a sticky substance that forms a coating on your teeth and gums.

Abrasive materials have a rough surface, they are often used for polishing or grinding other materials.

An ingredient is one of the parts in a mixture.

The digestive system breaks down food into small particles that are absorbed into the blood.

Digestion is the process of breaking down food so the body can absorb nutrients.

Saliva is a watery liquid in the mouth that keeps it moist and helps prepare food for digestion.

The oesophagus is a tube that carries food from the mouth to the stomach.

Stomach acid is a digestive fluid produced by the stomach lining that helps break down food.

The intestine is a long tube that is split into the small and large intestine, through which food travels from the stomach and out of the body while it is being digested.

Nutrients are important substances that living things use to stay alive and healthy. Animals take in nutrients from their food.

The rectum is the end part of the large intestine that holds faeces before it leaves the body through the anus.

Animals make solid waste in the form of faeces.

The anus is the hole at the end of the digestive system through which solid waste is pushed out.

The digestive system is all the organs in the body that break down and digest food. They are linked from the mouth to the anus.

To communicate is to share or exchange information or ideas.

A flowchart is a diagram that shows the steps of a process from beginning to end.

Introduction to the human digestive system

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