10. Which of the following enables you to move in different ways? A. Clavicle B. vertebrae C. joints D. short bones 11. Which of the following supports the lungs? A. Skull B. backbone C. jawbones D. rib cage 12. An average adult skeleton is composed of 206 bones, yet human beings are born with over 300 bones. Which is the best explanation for this? A. As human beings grow old the bones are melted. B. Some bones are converted into different organs. C. Many bones fuse together. D. Some bones just disappear normally. 13. Which of the following statement is INCORRECT? A. The backbone is the main support of the body. B. The skeletal system has two distinct divisions. C. The human skeleton is made up ONLY of regular bones and NOT with irregular bones. D. The bones support and give shape to the body. 14. It is the largest organ of the body. A. Bones B. Skin C. Hair D. Glands 15. Which is the outermost layer of the skin? A. Dermis B. Epidermis C. cuticle D. Hypodermis
