1) The brain is protected by the a) skull b) ribs c) backbone 2) The heart and lungs are protected by the a) skull b) ribs c) backbone 3) The spinal cord is protected by the a) backbone b) skull c) ribs 4) The backbone has many bones in it. a) true b) false 5) Bones give the body a _____. a) space b) shape c) part 6) Bones help the body____. a) sit b) run c) jump d) sit, run, and jump 7) The largest bone is the _____. a) backbone b) femur c) stapes 8) The smallest bone is the _______. a) backbone b) femur c) stapes 9) The bones in the fingers, thumbs, and toes are called _________. a) backbone b) phalanges c) femur 10) Keep bones strong and healthy by _______. a) sitting still b) eating sugar c) exercising and eating foods with calcium 11) The place bones meet is a _______. a) femur b) joint c) muscle 12) A hinge joint is at your ______. a) elbow b) shoulder 13) A ball and socket joint is at your a) elbow b) shoulder

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