Skeletal system

What is the job of your skeletal system?

• support the body

• protect organs

• produce blood cells

• all of these answers

The smallest bone is the stirrup and is located in the

• lungs

• ears

• legs

• heart

A baby is born with about __________ bones.

• 300

• 100

• 13

• 3,000,000

An adult skeleton has ________ bones.

• 20

• 12

• 206

• no

What are the 33 bones called that protect your spinal cord?

• spine

• vertabrae

• backbone

• all of these

Your kneecap is called your __________.

• patella

• joint

• brain

• skull

The system that includes all of your bones is called

• boney system

• nervous system

• moving system

• skeletal system

What is the soft, jellylike material that produces new blood cells called?

• blood gunk

• bone marrow

• ooey gooey

Where is your bone marrow stored?

• in your arm pits

• between your toes

• inside your bones

• outside your bones

Bones have a hard outside layer and a light and spongy inside layer.

• True

• False