KidsHealth: Skeletal System

What's the smallest bone in the body?

• patella

• stirrup

• thigh

• teeny

Bones meet at...

• joints

• ligaments

• a local resturant

• the rib cage

How many bones does an adult human have?

• 500

• 110

• 206

• 55

The bones in your spine are called...

• cartilage

• little bones

• ribs

• vertebrae

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The patella is located in the...

• knee

• foot

• ear

• elbow

What's in the center of a bone?

• cream filling

• compact bone

• cancellous bone

• bone marrow

Your bones will stop growing by the time you're...

• 93

• 25

• 30

• 13

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How many bones are in the spine?

• 1 million

• 65

• 33

• 14

The __________ bone protects your brain.

• tail

• shin

• back

• skull

The rib cage protects your...

• liver

• heart

• lungs

• all of the above