Skeletal System

Skeletal System Name: _____________________________________ 1. 2. 3. 4. 5. 6. Date: _________________________ True or False. The bones in your body are alive. They are always changing. What is the name of the thin, dense membrane that covers the outer surface of the bone? _____________________ What are two characteristics of compact bone? _________________________ and ___________________________ True or False. Cancellous bone is harder than compact bone. What is the main function of bone marrow? ___________________________________________________________ Click on this link to view the diagram of a bone. Answer the following questions. a. b. c. d. The periosteum of the bone helps to ____________________ bone tissue. Compact bone is ____________________ in color. Another name for cancellous bone is _______________________ bone. Bone marrow makes ____________ blood cells, _____________ blood cells and ______________________. 7. Approximately how many bones did you have as a baby? __________________ 8. How many bones do you have as an adult? _______________________ 9. At what age do our bones stop growing in length? ____________________________ 10. How many bone is your vertebrae comprised of? ____________ 11. Your cervical vertebrae is comprised of ________ bones. These bones are in the back of your neck and help support your head and neck. 12. Your thoracic vertebrae is comprised of ________ bones. They help to anchor your __________ in place. 13. Below your thoracic vertebrae are ________ lumbar bones. 14. Finally the ____________ is made up of five vertebrae that is fused together to form one bone and the coccyx which is made of ________ fused vertabrae. 15. What are two functions of disks that are found between each vertebrae? 1. _____________________________________________________ 2. _____________________________________________________ 16. Label the missing bones on the diagram. 17. What three organs do your ribs protect? a. ___________________ b. ____________________ c. ______________________ 18. Approximately, how many pairs of ribs to you have? ______________________ 19. What type of vertebrae hold your ribs in place? b. Cervical b. thoracic c. lumbar d. sacral 20. Why are the last two ribs called floating ribs? __________________________________________________________________________ 21. What is the smallest bone in your body? ______________________________ 22. What is the only bone in your head you can move? _____________________ 23. What is another name for the shoulder blade? __________________________ 24. What three bones comprise the arm? a. _______________________ b. ________________________ c. ________________________ 25. How many bones make up each finger? ______________ 26. If a person has 8 fingers, how many total finger bones do they have? _______________ 27. How many bones make up each thumb? _____________ 28. If a person has two thumbs, how many total thumb bones do they have? _____________ 29. What three systems of the body does the pelvis protect? a. ____________________________ b. _____________________________ c. __________________________ 30. What is the longest and strongest bone in the body? ____________________ 31. What is another name for the knee cap? _______________________ 32. Why are the leg and arm bones wider at the ends than in the middle? _____________________________________ 33. How many bones do we have in our feet and ankles? ______________________ 34. How many bones do we have in each toe? ___________________ Big toe? ____________________ 35. Define the term joint. _________________________________________________________ 36. True or False. All joints move. 37. Provide an example of a fixed joint that can be found in your skull. ______________________ 38. Besides your knee, what is another example of a hinge joint? _______________________________ 39. Provide two locations in the body where you can find a ball-and-socket joint. a. ____________________________ b. ______________________________ 40. _______________________________ is a special fluid found in the joints cavity that help them move freely. 41. Bones are held together by ___________________________________. Click on the blue link at the bottom of the page, “The Facts about Broken Bones” and answer the following questions. 42. What is another name for a broken bone? _________________________________________ 43. Define the following: a. Complete fracture: ________________________________________________________________________________________ b. Greenstick fracture: ________________________________________________________________________________________ c. Single fracture: ________________________________________________________________________________________ d. Comminuted fracture: ________________________________________________________________________________________ e. Bowing fracture: ________________________________________________________________________________________ f. Open fracture: ________________________________________________________________________________________ Click on blue link at the bottom of the page, “Osteoporosis” and answer the following questions. 44. What is it called when a person’s bones are weakened because of a loss of bone density? _________________________________________________________ 45. What are examples of diseases or other factors which may cause osteoporosis? a. __________________________________________________ b. __________________________________________________ c. __________________________________________________ d. __________________________________________________ 46. True or False. Many people do not know they have osteoporosis until they break a bone. 47. How is osteoporosis diagnosed? a. __________________________________________________ b. __________________________________________________ 48. How is osteoporosis treated once it has been diagnosed? __________________________________________________________________________________________________ __________________________________________________________________________________________________ 49. Can osteoporosis be prevented? ____________________ How? __________________________________________________________________________________________________ __________________________________________________________________________________________________ 50. True or False. Calcium is an essential component to having strong bones. Skeletal System Diseases and Conditions Name of Disease: __________________________________________________________________________ What is it? Causes Symptoms Risk Factors Complications Tests/ Diagnosis Treatment/ Cure Prevention