2. 7 th Grade Science Human Body

3. A:B: Inorganic matterInternal structures #1 ___________ help an organism to obtain energy, get rid of waste, grow, and reproduce. C:D: BothNeither

4. B. Internal structures

5. A:B: muscularskeletal C:D: Integumentary - skincirculatory #2 This system is responsible for protecting the body’s underlying tissue.

6. C. Integumentary - skin

7. A:B: dermisepidermis C:D: thin tissueNone of these #3 What is the outside layer of skin called?

8. B. epidermis

9. A:B: stomachheart C:D: skinlymph #4 Your _______ has the ability to repair itself, change color, and decrease body temperature.

10. C. skin

11. A:B: stomachheart #5 Your _______ has the ability to repair itself, change color, and decrease body temperature. C:D: skinlymph

12. C. skin

13. A:B: skeletalcardiovascular C:D: muscularlymphatic #6 This system consists of stretchy elastic cells that make up tissues that move your bones.

14. C. muscular

15. A:B: help the blood travel in the body give fresh oxygen to the blood C:D: bring food to the stomach None of these #7 The function of the lungs is to_____________.

16. B. give fresh oxygen to the blood

17. A:B: endocrine systemlymphatic system C:D: nervous systemrespiratory system #8 In this diagram, one cell releases chemicals that travel to a second cell and sends messages to other parts of the body. This diagram is part of the____________.

18. C. nervous system

19. A:B: endocrine system C:D: respiratory systemlymphatic system nervous system #9 This systems sends out messages to tissue by way of glands and hormones to control all body functions.

20. B. endocrine system

21. A:B: MelaninSweat glands C:D: Nerve cells Lymph #10 _____________ in your skin help prevent your body from becoming overheated.

22. B. Sweat glands

23. A:B: lymphaticurinary C:D: cardiovasculardigestive #11 This system breaks down food into nutrients that can be absorbed into the bloodstream.

24. D. digestive

25. A:B: small intestinelarge intestine C:D: esophagusNone of these #12 The longest section of this system is called the __________

26. A. small intestine

27. A:B: break down foodeliminate undigested waste C:D: absorb food molecules into the blood All of these #13 The function of the digestive system is to _________________.

28. D. All of these

29. A:B: urinaryendocrine C:D: lymphaticcardiovascular #14 This system removes waste from the blood and regulates body fluids.

30. A. urinary

31. A:B: cardiovascularcirculatory C:D: respiratorylymphatic #15 The function of this system is to carry oxygen to cells, carry sugar and other nutrients to cells, and remove waste from cells.

32. B. Circulatory

33. A:B: reproductiveintegumentary # 16 This system is different in males and females and assures the survival of each species. C:D: respiratoryendocrine

34. A. reproductive

35. A:B: endocrinelymphatic C:D: digestiverespiratory #17 This system returns leaked fluids to your blood vessels and helps get rid of germs that can harm you.

36. B. lymphatic

37. A:B: bonesmuscles C:D: heartskin #18 Which organs of the systems in these diagrams work together to provide the human body with structural support?

38. A.Bones & B. Muscles

39. A:B: ProtectionSupport C:D: MovementAll of these #19 Which of these are a function of the skeletal system?

40. D. All of these

41. A:B: lymph nodesendocrine glands #20 The human body is made up of many different ___________ that allow it to function properly and sustain life. C:D: internal systemsNone of these

42. C. internal systems

43. A:B: HeartLungs C:D: LiverBrain #21 What organ\s work together to make sure oxygen gets to the other organs of the body?

44. A.Heart & B.Lungs

45. A:B: contractingflexing C:D: relaxingNone of these #22 In this diagram, when the biceps is contacting what is the triceps doing?

46. C. relaxing

47. A:B: LymphaticNervous C:D: EndocrineExcretory #23 To dispose of waste and control body fluid composition is the function of what system?

48. D. Excretory

49. A:B: skeletalmuscular C:D: nervousAll of these #24 Which of the human- body systems below is\are needed for the player in this picture to pitch a baseball?

50. D. All of these

51. A:B: cardiovascularskeletal C:D: circulatorymuscular #25 Which system works to produce red blood cells?

52. B. Skeletal

53. A:B: cardiovascularskeletal C:D: circulatorymuscular #26 Which system works to distribute red blood cells?

54. C. Circulatory

55. A:B: circulatory systemslungs #27 Nutrients that are absorbed by the small intestine travel to the individual cells in the human body through the __________________. C:D: muscular systemnervous system

56. A. Circulatory system

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