Unit 3: Chapters 1-3 Quiz

Bones can't move without _____________

• muscles

• calcium

• nevres

• music

Which one the following activities uses the voluntary muscles?

• breathing

• running

• your heart beat

• digesting food

Uses powerful, invisible rays of light to pass through objects and show the inside of them

• x- rays

• sun rays

• sting rays

• shrink rays

The inside of a bone, the marrow, is _______

• hard

• watery

• spongy

• hollow

What job do the ribs do?

• help us cough

• protect the heart and lungs

• shape the waist

• helps us move

Bones have the remarkable ability to....

• never stop growing

• flex like elastic

• heal themeselves

• stay the same size

Involuntary muscles are ones in which you....

• can't control

• control while sleeping

• control

• use to walk

What type of bone is the scapula?

• the scalp bone

• the rib bone

• the skull

• the shoulder blade

The outer part of a bone is made of what?

• seashells

• salt

• calcium

• dairy

What does the cranium protect?

• the heart

• the lungs

• the brain

• bone marrow