Chapter 8 review

1. Chapter 8 review Bones, Muscles, and Skin

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

3. Cells, tissues, organ

4. Define Homeostasis 20 points • The body keeping the cells organized • Cells growing and reproducing • The process of keeping an organisms internal temperature stable • 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 • Cytoplasm • Nucleus • Mitochondria • Cell membrane

9. Nucleus

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

11. Muscular system

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

13. 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 • Stress • Homeostasis • Shivering • phalanges

15. Homeostasis

16. How many bones are in an adult human body? 30 points • 275 • 250 • 209 • 206

17. 206

18. Which is the longest bone in the human body? 40 points • Femur • Tibia • Sternum • clavicle

19. Femur

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

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

22. How many phalanges are on 1 foot? 10 points • 3 • 4 • 2 • 5

23. D. 5

24. How are movable joints held together? 20 points • Ligaments • Cartilage • Spongy bone • screws

25. Ligaments

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

27. cartilage

28. ______ are complex living structuresthat undergo growth and development?40 points • Bones • Joints • Teeth • Vertebrae

29. Bones

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

31. Yes because it has blood vessels in it

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

33. Compact bone

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

35. Healthy diet and exercise

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

37. Osteoporosis

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

39. An MRI shows bones and soft tissue

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

41. Fracture

42. _______ ________ are muscles you have control of. 10 points • Involuntary muscles • Voluntary muscles • Skeletal muscles • Smooth muscles

43. Voluntary muscles

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

45. Skeletal muscle, smooth muscle, cardiac muscle

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

47. Skeletal muscles

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

49. Smooth muscles

50. These muscles must work in pairs. 50 points • Smooth muscles • Cardiac muscles • Skeletal muscles