What is a shark's skeleton made from?
Cartilage
How many bones are there in a human body?
206
How many bones are there in hands and feet?
More than half of a skeleton
How much water is there in bones?
About 22 per cent
Where is the smallest bone in the body?
Ear
Where is the longest bone in the body?
Leg
What substance do most bones have in them?
Calcium
Are human skeletons very different from other animals' skeletons?
Not so much
What do humans and giraffes have the same?
The number of neck bones
Do all the animals have the same skeleton?
No
Why do animals have different skeletons?
Different habitats and life styles
What kind of bones do crocodiles have?
Long and strong
Why do crocodiles need long and strong bones?
To catch animals quickly
Why do crocodiles need eyes on top of their heads?
To stay out of water while hunting
Where do crocodiles have their eyes?
On top of their heads
Why do giraffes need long neck bones?
To reach leaves on high trees
