I WONDER - Do Sharks Have Bones?

The video explains that sharks do not have bones; instead, their bodies are made of cartilage, similar to the material found in human ears and noses. This provides a unique structure that is both hard and soft.

What are sharks made of instead of bones?

• Cartilage

• Muscle

• Fat

• Skin

Why do you think sharks have evolved to have cartilage instead of bones?

• To be more flexible

• To be heavier

• To swim faster

• To be more visible

What is cartilage and where can it be found in humans?

• In the nose and ears

• In the heart

• In the lungs

• In the stomach

How does cartilage feel compared to bones?

• Soft and flexible

• Hard and rigid

• Brittle

• Elastic

What are some characteristics of cartilage?

• Soft but strong

• Very hard

• Easily breakable

• Completely rigid