Did You Know?
Some fish have no bones at all!
Types of Skeletons
Some have hard shells. Others have bones inside.
Why We Need Bones
Bones help us move and stay safe.
What skeletons Does
Bones help us stand up tall.
They keep our organs safe inside.
Bones help us move our arms and legs.
They make us strong and help us run.
Bones can heal if we break them.
We have many bones in our body.
More About skeletons
Skeletons are made of bones. We have 206 bones in our body. Some animals have more bones than us. For example, a snake has many bones!
Every day, we use our bones to walk and play. When we jump, our bones help us land safely. They are very important for our fun!
Did you know that some animals can lose bones and grow new ones? This is cool! It helps them stay safe and strong.
How Topics Connect
graph TD
A["Skeleton"] --> B["Exoskeleton"]
A["Skeleton"] --> C["Endoskeleton"]
A["Skeleton"] --> D["Hydroskeleton"]
B["Exoskeleton"] --> E["Rigid outer shell"]
C["Endoskeleton"] --> F["Rigid internal frame"]
D["Hydroskeleton"] --> G["Flexible internal structure"]
What Do These Words Mean?
skeleton:The frame that supports an animal's body.
exoskeleton:A hard outer shell that gives shape to an organism.
endoskeleton:A hard internal frame inside an animal's body.
hydroskeleton:A flexible internal structure supported by body fluids.
hydrostatic pressure:The pressure created by fluids in a body.
