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The Human Digestive System 2

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

'The Human Digestive System 2' 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 teeth

our mouth

our stomach

What do we use to chew our food?

tongue

lips

teeth

What happens in our mouth?

Tick two answers.

 

Our lips start to taste our food.

Our teeth start to break down our food.

Taste buds on our tongue taste the food.

Where is our saliva, or spit, made?

in the tongue

in the salivary glands

Why is saliva important?

Tick two answers.

It helps us taste the food.

It starts to break down the food.

It keeps the food together.

What is the esophagus, or oesphagus?

a tube that connects the throat to the stomach

a tube that connects the stomach to the intestine

part of the small intestine

Match the different parts to their names.

 

Column A

Column B

A
small intestine
B
stomach

Look at this diagram.

 

 

What helps break down the food in the stomach?

saliva

chyme

gastric acid

What happens in the small intestine?

most food is absorbed into the body

most food is expelled from the body

most food is tasted by the body

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 large intestine

the small intestine

the pancreas

  • 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 do we use to chew our food?

CORRECT ANSWER
teeth
EDDIE SAYS
We use our teeth to chew our food into small pieces.
  • Question 3

What happens in our mouth?

Tick two answers.

 

CORRECT ANSWER
Our teeth start to break down our food.
Taste buds on our tongue taste the food.
EDDIE SAYS
Food is broken down in our mouths to make it easier to digest and this helps us taste the flavour of it too!
  • Question 4

Where is our saliva, or spit, made?

CORRECT ANSWER
in the salivary glands
EDDIE SAYS
Spit, or saliva, is made in the salivary glands.
  • Question 5

Why is saliva important?

Tick two answers.

CORRECT ANSWER
It helps us taste the food.
It starts to break down the food.
EDDIE SAYS
Special chemicals in our saliva start breaking down the food we have eaten, making it easier to digest. Once the food has started to break down we can taste it on our tastebuds.
  • Question 6

What is the esophagus, or oesphagus?

CORRECT ANSWER
a tube that connects the throat to the stomach
EDDIE SAYS
The oesophagus is a muscular tube that connects the throat with the stomach. No digestion takes place in it.
  • Question 7

Match the different parts to their names.

 

CORRECT ANSWER

Column A

Column B

A
stomach
B
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
most food is absorbed into the body
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 large intestine is the final section of the digestive system. The rectum is the name of the end of the large intestine.
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