Skeletal System Review #1

Our _____________ provides support and protection.

• Skeleton

• Family

• Muscles

• Skin

The skull protects our brain and the ____ protects our heart and lungs.

• Skin

• Sternum

• Skeleton

• Ribs

This is a picture of what? (choose the answer that is most complete)

• robot
• skeleton
• ulna
• vertebrate

Humans have ______ bones in their bodies, on average.

• 106
• 201
• 206

The part of the bone that makes blood cells is...

• compact bone
• spongy bone
• marrow

Which set of bones is in your back and holds up your body?

• skull

• spine

• joint

• arm

Your skeleton

• supports & shapes the body

• works with muscles to help you move

• helps protect important organs

• makes blood

• all of the above

Tags

NGSS.4-LS1-1

The set of bones inside your head that protects your brain is called ____________.

• femur

• backbone

• skull

The ________ is a set of bones in your chest that protects your heart & lungs.

• skull

• ribcage

• femur

What mineral helps keep your bones healthy and strong?

• iron

• zinc

• calcium