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The Human Digestive System 1

In this worksheet, students will be asked to identify different parts of the human digestive system and their functions.

'The Human Digestive System 1' worksheet

Key stage:  KS 2

Curriculum topic:  Animals, including Humans

Curriculum subtopic:  Basic Parts of Human Digestive System

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

Have you ever thought about how all that yummy food makes its way through your body, and where it goes?

 

MMMmmm! Yummy!

 

Well, you probably know where some of it ends up!

 

But where does the rest of it go?

Why do we need to eat?

 

In this worksheet, you are going to learn about our digestive system.

This is what we call the area in our body that deals with all the food that goes into our body and goes out of our body.

 

 

Use this diagram to help you answer the following questions.

What is the first part of our digestive system?

our stomach

our mouth

What happens in our mouth?

Food is broken down.

Food is pushed together.

What do we use to chew our food?

 

our teeth

our tongue

Our spit is also very important.

Why?

Spit keeps the food together.

Spit helps break down the food.

After leaving your mouth your food and drink goes down a long tube towards your stomach.

What is this tube called?

an oesophagus or esophagus

a gall bladder

What is part A?

 

a stomach

a heart

What is part B?

 

the small intestine

the large intestine

Look at this diagram.

 

 

What helps break down the food in the stomach?

saliva

gastric acid

What happens in the small intestine?

This is where most food is absorbed.

This is where most food is broken down.

Undigested food then travels into the final part of the digestive system.

This is where any undigested food forms faeces, or poo. 

What is this last section called?

the small intestine

the large intestine

  • Question 1

What is the first part of our digestive system?

CORRECT ANSWER
our mouth
EDDIE SAYS
Our mouth is the first part of the digestive system.
  • Question 2

What happens in our mouth?

CORRECT ANSWER
Food is broken down.
EDDIE SAYS
Food is broken down in our mouths to make it easier to digest.
  • Question 3

What do we use to chew our food?

 

CORRECT ANSWER
our teeth
EDDIE SAYS
We use our teeth to chew our food into small pieces.
  • Question 4

Our spit is also very important.

Why?

CORRECT ANSWER
Spit helps break down the food.
EDDIE SAYS
Spit, or saliva, is made in the salivary glands. Special chemicals in our saliva start breaking down the food we have eaten, making it easier to digest.
  • Question 5

After leaving your mouth your food and drink goes down a long tube towards your stomach.

What is this tube called?

CORRECT ANSWER
an oesophagus or esophagus
EDDIE SAYS
The oesophagus is a muscular tube that connects the throat with the stomach. No digestion takes place in it.
  • Question 6

What is part A?

 

CORRECT ANSWER
a stomach
EDDIE SAYS
This is what a human stomach looks like.
  • Question 7

What is part B?

 

CORRECT ANSWER
the small intestine
EDDIE SAYS
Part B is the small intestine. Food travels from the stomach into the small intestine.
  • Question 8

Look at this diagram.

 

 

What helps break down the food in the stomach?

CORRECT ANSWER
gastric acid
EDDIE SAYS
Gastric acid is the name of the special liquid that is made by the stomach. It breaks down the food you have eaten into small molecules. The churning of the stomach also helps in breaking down the food.
  • Question 9

What happens in the small intestine?

CORRECT ANSWER
This is where most food is absorbed.
EDDIE SAYS
The food that we eat is broken down into small molecules in the stomach. These molecules then pass into the small intestine, where the important nutrients are absorbed. The duodenum is the name of the first part of the small intestine.
  • Question 10

Undigested food then travels into the final part of the digestive system.

This is where any undigested food forms faeces, or poo. 

What is this last section called?

CORRECT ANSWER
the large intestine
EDDIE SAYS
The poo is then excreted out of the body.
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