CKLA Unit 3 Chapters 1-3 Quiz

Bones can’t move without (a)   .

• calcium

• muscles

• nerves

• music

Voluntary muscles are used (a)   .

• to breathe

• to run

• to keep your heart beating

• to digest food

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

• x-rays

• sting rays

• sun rays

• shrink rays

The inside of a bone, the marrow, is (a)   .

• hard

• watery

• spongy

• hollow

Tags

CCSS.L.3.4A

CCSS.RI.3.1

CCSS.RI.3.4

What job do the ribs do?

• protect the heart and lungs

• help us cough

• shapes our waist

• helps us move