Page 10 - 新思维科学学生用书4 样章

1.1 Bones and skeletons

What is a skeleton?

People and many animals have bones

inside their bodies. These bones are joined together

to form a skeleton. A skeleton is a strong frame that

supports our body from the inside.
We know about animals, like dinosaurs, that

lived very long ago from their skeletons.

The human skeleton skull

Our skeleton is made of 206 bones. jaw

These bones are different sizes and

shapes. upper
You can feel your bones through arm bones rib cage

your skin. Bones are hard and strong. spine

How many bones in your body can lower arm

you name? bones

Activity hip thigh

Finding your bones bones
lower leg
• Feel your head. How many skull bones can you feel? bones

• Push a finger on your chin and feel the bone.

Your chin is part of your jaw bone.

• Hold your hands on the sides of your chest.
Can you find your rib cage?

• How many ribs can you feel?

• Now feel your back. The bumps you can feel are the bones of your spine.

• Stand up and put your hands on your hips. Can you feel your hip

bones?

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