Chapter 2: The Skeletal System: Axial Bones

Your skeleton is made up of...

• ribs

• bones

• organs

The top of your ear is made up of.....

• ribs

• bones

• cartilage

A baby has about____________bones

• 206

• 300

• 306

An adult has about _____ bones

• 206

• 306

• 406

What mineral do we need to make our bones strong?

• vitamin E

• calcium

• vitamin C

Rocks are solid all the way through, but bones are porous.

• True

• False

__________ is your body's blood cell factory.

• Calcium

• Bone marrow

• Skelton

Bone marrow produces blood cells to fight infections and carry oxygen throughout your body.

• True

• False

List the three groups of bones that form your axial skeleton

What is the purpose of the skull?

• It protects your heart.

• It gives your head shape.

• It protects your brain.