1. Chapter 8 review Bones, Muscles, and Skin

2. What are the levels of organization in the body? 10 points A. Organs, cells, tissue B. Cells, tissues, organ C. Tissue, cells, organs D. Organ, organ system, tissue

3. A. Cells, tissues, organ

4. Define Homeostasis 20 points A. The body keeping the cells organized B. Cells growing and reproducing C. The process of keeping an organisms internal temperature stable D. Our bodies way of reacting to stress

5. The process of keeping an organisms internal temperature stable

6. What is a cell? 30 points The basic unit of structure and function in a living thing Where inmates are kept The control center of the cell membrane The material within the cell that holds the organelles

7. The basic unit of structure and function in a living thing

8. The ________ is the control center that directs all cell activity. 40 points A. Cytoplasm B. Nucleus C. Mitochondria D. Cell membrane

9. A. Nucleus

10. Which tissue system can contract and shorten, but not lengthen? 50 points A. Skeletal system B. Digestive system C. Muscular system D. Respiratory system

11. Muscular system

12. Which system enables you to see, hear, and think by sending messages to your brain? 10 points A. Nervous system B. Circulatory system C. Endocrine system D. Excretory system

13. A. Nervous system

14. No matter what the temperature is around you, your internal temperature stays around 98.6 degrees. This is due to ________? 20 points A. Stress B. Homeostasis C. Shivering D. phalanges

15. Homeostasis

16. How many bones are in an adult human body? 30 points A. 275 B. 250 C. 209 D. 206

17. 206

18. Which is the longest bone in the human body? 40 points A. Femur B. Tibia C. Sternum D. clavicle

19. A. Femur

20. Why is the vertebral column the center of the skeleton? 50 points A. The bones in the skeleton are someway connected to the backbone B. The backbone is the longest bone in the body C. It is the strongest bone in the body D. Because it is in the center of the body

21. A. The bones in the skeleton are someway connected to the backbone

22. How many phalanges are on 1 foot? 10 points A. 3 B. 4 C. 2 D. 5

24. How are movable joints held together? 20 points A. Ligaments B. Cartilage C. Spongy bone D. screws

25. A. Ligaments

26. This connective tissue covers the ends of bones keeping them from rubbing together. 30 points A. Ligaments B. Calcium C. Hinge joint D. Cartilage

27. A. cartilage

28. ______ are complex living structures that undergo growth and development? 40 points A. Bones B. Joints C. Teeth D. Vertebrae

29. A. Bones

30. If you cut your bone, would it bleed? 50 points but you must say why….. A. Yes B. No

31. A. Yes because it has blood vessels in it

32. What part of the bone is hard and dense, but not solid? 10 points A. Bone marrow B. Spongy bone C. Compact bone D. Outer membrane

33. A. Compact bone

34. How can you keep your bones healthy? 20 points A. Healthy diet and exercise B. Watching TV 2 hours a day C. Getting an “A” in science class D. Learning to surf

35. A. Healthy diet and exercise

36. ________ is a condition in which the body’s bones become weak and brittle. 30 points A. Arthritis B. Osteoporosis C. Diabetes D. Tendonitis

37. A. Osteoporosis

38. What is the difference between an MRI and an X-Ray? 40 points A. An x-ray shows soft tissue and bone B. An MRI shows bones and soft tissue C. An X-Ray only shows soft tissue D. An MRI shows only bone

39. An MRI shows bones and soft tissue

40. A ______ is a break in the bone. 50 points A. Fracture B. Sprain C. Dislocation D. Tooth ache

41. A. Fracture

42. _______ ________ are muscles you have control of. 10 points A. Involuntary muscles B. Voluntary muscles C. Skeletal muscles D. Smooth muscles

43. A. Voluntary muscles

44. Your body has 3 types of muscle tissue. They are: 20 points A. Skeletal muscle, nerve muscle, cardiac muscle B. Skeletal muscle, smooth muscle, cardiac muscle C. Smooth muscle, involuntary muscle, tendons D. Biceps, triceps, quadriceps

45. Skeletal muscle, smooth muscle, cardiac muscle

46. These muscles are attached to the bones of your skeleton. 30 points A. Cardiac muscles B. Smooth or striated muscles C. Skeletal muscles D. Nerve endings

47. A. Skeletal muscles

48. These muscles are involuntary. They work automatically to control certain movements inside your body. 40 points A. Smooth muscles B. Skeletal muscles C. Organs D. tissues

49. A. Smooth muscles

50. These muscles must work in pairs. 50 points A. Smooth muscles B. Cardiac muscles C. Skeletal muscles

51. A. Skeletal muscles

52. This is the largest organ in the body 10 points A. Femur B. Liver C. Heart D. Skin

53. A. Skin

54. The skin covers and protects the body from injury, infection, and water loss. 20 points A. True B. False

55. A. True

56. This is the topmost layer of the skin. It is made up of dead skin cells. 30 points A. Epidermis B. Dermis C. Follicle D. pore

57. A. Epidermis

58. This layer of the skin contains nerve and blood vessels 40 points A. Melanin B. Dermis C. Acne D. Epidermis

59. Dermis

60. This is a pigment that gives skin its color. It is what gives you an awesome sun tan! 50 points A. Blood vessels B. Dermis C. Melanin D. Sweat gland

61. A. Melanin

62. How does skin provide information about the environment? 10 points A. By producing vitamin D B. By nerves in the skin C. Through perspiration D. By reading the daily horoscope

63. A. By nerves in the skin

64. The sunlight helps produce this vitamin through skin cells 30 points A. Vitamin A B. Vitamin D C. Vitamin C D. This does not happen

65. A. Vitamin D