7.2.2

The Digestive System - The Mouth

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The Mouth's Role in the Digestive System

The first stage of digestion happens in the mouth.

Chewing and mixing

Chewing and mixing

  • The food is chewed by teeth.
  • The food is mixed with saliva in the mouth.
  • Chewing helps make the food smaller.
    • Making the food smaller makes digestion easier.
Role of the tongue

Role of the tongue

  • The tongue helps to move the food around the mouth.
Swallowing of food

Swallowing of food

  • Food is moved to the back of the mouth when it has been chewed enough.
  • The food is then swallowed.
  • The food passes down a tube called the 'oesophagus'.
    • The oesophagus connects the mouth to the stomach.
Jump to other topics
1

Year 3: Plants

1.1

Types of Plants

1.1.1Flowering & Non-flowering Plants
1.2

Parts of a Plant

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1.3

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1.4

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2

Year 3: Animals (Including Humans)

2.1

Food

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2.2

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3

Year 3: Rocks

3.1

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Year 3: Light

4.1

What is Light?

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Year 4: Living Things & Their Habitats

6.1

Grouping Animals

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6.2

Vertebrates

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6.3

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6.4

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6.5

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Year 4: Animals, Including Humans

7.1

Teeth

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7.2

Digestion

7.2.1What is Digestion?7.2.2The Digestive System - The Mouth7.2.3The Digestive System - The Stomach7.2.4The Digestive System - The Small Intestines7.2.5The Digestive System - The Large Intestines
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8.2

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Year 4: Sound

9.1

How Do I Hear?

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9.2

Pitch

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Year 4: Electricity

10.1

Uses of Electricity

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10.2

Conductors & Insulators

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Practice questions on The Digestive System - The Mouth

Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.

  1. 1
    Where does the first stage of digestion happen?Multiple choice
  2. 2
    Which of these is true about the digestion in the mouth?True / false
  3. 3
    What helps to move food around the mouth?Multiple choice
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What is Digestion?

The Digestive System - The Stomach