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The Human Skeleton

An introduction to the human skeleton

Key stage:  KS 2

Curriculum topic:  Animals, including Humans

Curriculum subtopic:  Skeletons and Muscles

Difficulty level:  

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QUESTION 1 of 10

The skeleton is the framework that supports and protects the rest of the body. Without your skeleton you would be a rather unattractive heap on the floor! Bones are harder than concrete and longer lasting. They have to be tough and strong because they carry the weight of your body. It is your skeleton that determines how tall you are and there's nothing much you can do about that. Exercise and a good diet will help make your bones stronger but you can't really make them bigger.

This artwork shows the main bones of the skeleton. How many do you think there are? Did you know an adult human has 206 bones? See if you can answer these questions about bones and the skeleton.

Who has the most bones, a child or an adult?

child

adult

What is the longest bone in the body?

tibia (shin bone)

femur (thigh bone)

spine (back bone)

humerus (arm bone)

Where is the smallest bone in the body?

in your fingers

in your toes

in your nose

in your ear

If all your bones were stuck together you wouldn't be able to move, but luckily for us our bones are joined together by flexible joints. How many joints are there in the body?

over 500

less than 100

over 320

over 230

Is your skeleton alive or dead?

alive

dead

  • Question 1

Who has the most bones, a child or an adult?

CORRECT ANSWER
child
EDDIE SAYS
Children start out with about 300 bones but as they grow older some of these bones join together and there are just 206 bones in an adult's body.
  • Question 2

What is the longest bone in the body?

CORRECT ANSWER
femur (thigh bone)
EDDIE SAYS
The femur, or thigh bone, is the longest bone in the body. It can be over a quarter of an adult's height. The spine isn't a single bone - it is made up of a number of smaller bones called vertebrae linked together.
  • Question 3

Where is the smallest bone in the body?

CORRECT ANSWER
in your ear
EDDIE SAYS
The smallest bone in the body is found inside your ear. It is called the stapes and it is involved with hearing. The stapes is just 2.5 to 3.5 millimetres long.
  • Question 4

If all your bones were stuck together you wouldn't be able to move, but luckily for us our bones are joined together by flexible joints. How many joints are there in the body?

CORRECT ANSWER
over 230
EDDIE SAYS
There are over 230 joints in the body, in the arms, legs, fingers, toes and along the back bone.
  • Question 5

Is your skeleton alive or dead?

CORRECT ANSWER
alive
EDDIE SAYS
If you look at a picture of a skeleton it is easy to think of bones as dead. And of course, outside of their body they are! But inside your body your skeleton is as alive as any other part of you. Bones maintain and repair themselves throughout your life.
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