Human Body Systems Review Questions

38. Which best describes the system that provides transportation for cell necessities using the bloodstream? A. muscular system B. circulatory system C. respiratory system D. nervous system

B. Circulatory System

14. Which is a cardiovascular muscle? A. lung B. heart C. stomach D. diaphragm

B. Heart

7. Which is a major organ of the circulatory system? A. brain B. heart C. kidney D. stomach

B. Heart

25. Which best describes the function of the skeletal system? A. It transports oxygen to cells and tissues. B. It gives shape and support to the human body. C. It takes in and breaks down all necessary nutrients for the body.

B. It gives shape and support to the human body.

10. Which is most directly connected to the circulatory system? A. nose B. lungs C. mouth D. trachea

B. Lungs

15. Which are parts of the digestive system? A. mouth, lungs B. mouth, teeth C. mouth, brain

B. Mouth, teeth

21. Which body system's main purpose is to help the body move? A. digestive system B. muscular system C. respiratory system

B. Muscular System

26. Which system is controlled by involuntary muscle movement in the diaphragm? A. digestive B. respiratory C. cardiovascular

B. Respiratory

8. What is the main function of the skeletal system? A. clean the body B. support the body C. deliver nutrients to the body

B. Support the body

44. Which is a function of the cardiovascular system? A. to move water throughout the body B. to provide structural support for the body C. to eliminate waste from the body D. to transport gases throughout the body

D. to transport gases throughout the body

20. The drawing shows the system that transports nutrients to cells in an insect. Which system in humans has a function MOST like the system shown? A. circulatory B. digestive C. reproductive D. respiratory

A. Circulatory

3. Which major body system breaks down food to release nutrients needed for energy production? A. digestive B. muscular C. respiratory D. cardiovascular

A. Digestive

51. Which best explains the effects of exercise on the respiratory system? A. Exercise increases breathing rate which makes the lungs stronger. B. Exercise increases breathing rate which makes the bones stronger. C. Exercise decreases breathing rate which sends more oxygen to the brain. D. Exercise decreases breathing rate which produces more wastes for the kidneys to process.

A. Exercise increases breathing rate which makes the lungs stronger.

46. Which of the following best describes the job of the skeletal system? A. Gives shape and support to the body. B. Sends messages from the stomach to the brain. C. Brings in and breaks down all nutrients for the body.

A. Gives shape and support to the body.

68. Why is the respiratory system so important? A. It controls breathing and gas exchange in the body. B. It controls digestion and absorption of nutrients in the body. C. It controls heartbeat and blood circulation throughout the body. D. It controls internal body temperature and cools the body through sweat.

A. It controls breathing and gas exchange in the body.

35. Which best describes the purpose of the cardiovascular system? A. It delivers blood to the body's tissues. B. It supplies stability to the skeleton. C. It delivers food to power the body. D. It supplies oxygen to the body.

A. It delivers blood to the body's tissues.

56. Which system is most closely associated with the brain? A. nervous B. muscular C. circulatory D. respiratory

A. Nervous

2. Melissa accidentally touches a hot surface and then quickly pulls her hand away. Which two systems in the human body were involved with her action and reaction? A. nervous and muscular B. skeletal and circulatory C. nervous and respiratory D. muscular and respiratory

A. Nervous and Muscular

37. Which body system includes the lungs? A. respiratory system B. digestive system C. skeletal system

A. Respiratory System

24. Which system is responsible for creating red blood cells? A. skeletal B. nervous C. muscular D. circulatory

A. Skeletal

32. Which system produces red blood cells? A. skeletal B. nervous C. digestive D. circulatory

A. Skeletal

67. Which system of the human body provides protection to most of the major organs? A. skeletal system B. circulatory system C. respiratory system D. muscular system

A. Skeletal System

41. Which two systems work together to help a person stand erect? A. skeletal and muscular B. skeletal and digestive C. skeletal and respiratory D. skeletal and cardiovascular

A. Skeletal and Muscular

63. Which system protects the cardiovascular system? A. skeletal system B. nervous system C. digestive system D. circulatory system

A. Skeletal system

13. Which best describes the way the digestive and muscular systems are related? A. Swallowed food is pushed through the esophagus. B. The diaphragm, above the intestines, inflates and deflates. C. Nutrients are transported to the bones to help them function. D. The heart absorbs oxygen and nutrients from various parts of the body.

A. Swallowed food is pushed through the esophagus.

43. What roles do the muscular and respiratory systems serve in the body when someone lifts weights? A. The muscular system allows the person to lift the weights, while the respiratory system provides oxygen to the body. B. The muscular system provides oxygen to the body, while the respiratory system allows the person to lift the weights. C. The muscular system provides nutrients to the blood, while the respiratory system provides sweat to cool the body. D. The muscular system provides sweat to cool the body, while the respiratory system provides nutrients to the blood.

A. The muscular system allows the person to lift the weights, while the respiratory system provides oxygen to the body.

17. The circulatory system transports waste through the bloodstream. Which is the best example of another system working to remove waste from the body? A. The respiratory system releases carbon dioxide. B. The skeletal system produces new red blood cells. C. The digestive system breaks down food into nutrients. D. The nervous system send signals from the brain to the muscles.

A. The respiratory system releases carbon dioxide.

9. Which best describes the purpose of the respiratory system? A. to supply oxygen to cells B. to supply protection to organs C. to supply food and nutrients to the body D. to supply blood to the brain and muscles

A. To supply oxygen to cells

40. Which best describes a function of the circulatory system? A. transport blood B. provide oxygen C. help the body move

A. Transport blood

48. Bone cells need nutrients. Which two systems get nutrients to bone cells? A. the digestive system and the circulatory system B. the circulatory system and the respiratory system C. the respiratory system and the skeletal system D. the skeletal system and the digestive system

A. the digestive system and the circulatory system

28. The table below describes some human body systems. Human Body System Function 1. Circulatory System 1. Makes cells for the skeletal system 2. Skeletal System 2. Makes cells for the circulatory system 3. Muscular System 3. Makes cells for the digestive system 4. Digestive System 4. Makes cells for the muscular system Which row provides correct information? A. 1 B. 2 C. 3 D. 4

B. 2

58. Which best compares the respiratory system to the circulatory system? A. The respiratory system transports oxygen to cells, while the circulatory system provides oxygen for cells. B. The respiratory system provides oxygen for cells, while the circulatory system transports oxygen to cells. C. The respiratory system breaks down food for cell energy, while the circulatory system rids the body of waste. D. The respiratory system rids the body of waste, while the circulatory system breaks down food for cell energy.

B. The respiratory system provides oxygen for cells, while the circulatory system transports oxygen to cells.

52. Which best describes how the muscular system impacts movement of the human body? A. When a muscle expands, it pulls on the bone it is connected to and the bone moves. B. When a muscle contracts, it pulls on the bone it is connected to and the bone moves. C. When a muscle contracts, it pushes on the bone it is connected to and the bone moves. D. When a muscle expands, it pushes on the bone it is connected to and the bone moves.

B. When a muscle contracts, it pulls on the bone it is connected to and the bone moves.

47. Which best describes the circulatory system? A. a system made up of the brain and nerves that delivers nutrients and removes waste from the body B. a system made up of lymph and blood that delivers nutrients and removes waste from the body C. a system made up of the brain and nerves that delivers messages throughout the body D. a system made up of the heart and blood that delivers messages throughout the body

B. a system made up of lymph and blood that delivers nutrients and removes waste from the body

1. Which body system processes foods into a useable source of energy? A. circulatory B. digestive C. nervous D. skeletal

B. digestive

62. Which two human body systems work closely together to distribute nutrients from food throughout the body? A. muscular and skeletal B. digestive and circulatory C. circulatory and respiratory D. cardiovascular and digestive

B. digestive and circulatory

30. Which task in the human body is accomplished through the combined efforts of the cardiovascular and muscular systems? A. protecting major body organs B. pumping blood throughout the body C. releasing waste products from the body D. moving water and nutrients from one organ to another

B. pumping blood throughout the body

16. How does the circulatory system work with the digestive system? A. Blood is used to build muscle strength. B. Food is broken down in the bloodstream. C. Blood carries nutrients throughout the body. D. Food waste is filtered by the heart and blood vessels.

C. Blood carries nutrients throughout the body.

53. In which system of the human body does the heart belong? A. skeletal system B. respiratory system C. cardiovascular system D. muscular systems

C. Cardiovascular system

36. Which system moves waste from the digestive system? A. nervous system B. muscular system C. circulatory system

C. Circulatory System

54. Which two human body systems are MOST responsible for getting oxygen to cells? A. digestive and skeletal B. skeletal and circulatory C. circulatory and respiratory D. respiratory and digestive

C. Circulatory and Respiratory

6. What is the main function of the nervous system? A. clean waste from the cells B. absorb nutrients for energy C. deliver messages to the brain

C. Deliver messages to the brain

27. How does the skeletal system benefit the nervous system? A. It protects the lungs. B. It protects the heart. C. It protects the brain and spinal cord. D. It protects the esophagus and stomach.

C. It protects the brain and spinal cord.

31. Which best describes the purpose of the skeletal system? A. It connects bones and muscles together. B. It connects the organs of the body to the brain. C. It provides support for the body and protects organs. D. It provides energy to the bones and muscles so they can move.

C. It provides support for the body and protects organs.

66. Which of the following body systems is responsible for producing heat? A. skeletal system B. nervous system C. muscular system

C. Muscular system

45. Which body system carries signals to and from the brain? A. respiratory B. circulatory C. nervous D. skeletal

C. Nervous

29. Why does damage to the skeletal system have an effect on the other systems? A. Nutrients for other systems would not be passed on by the skeletal system. B. The skeletal system would not be able to pass on messages from the brain. C. Nutrients needed to repair the skeletal system would be taken from other systems.

C. Nutrients needed to repair the skeletal system would be taken from other systems.

42. Which is part of the digestive system? A. brain B. heart C. stomach

C. Stomach

11. Which best explains how the muscular system relies on the respiratory system? A. The respiratory system cools the muscular system. B. The respiratory system acts as the support system for the muscular system. C. The respiratory system brings oxygen into the body for the muscular system to use.

C. The respiratory system brings oxygen into the body for the muscular system to use.

5. Which best describes the relationship between the skeletal system and the circulatory system? A. The skeletal system transports red blood cells after the circulatory system produces them. B. The skeletal system protects red blood cells and the circulatory system pumps those cells through veins and arteries. C. The skeletal system produces red blood cells and the circulatory system transports those cells where they need to go. D. The skeletal system helps put oxygen in red blood cells and the circulatory system helps those cells rid the body of carbon dioxide.

C. The skeletal system produces red blood cells and the circulatory system transports those cells where they need to go.

4. How do the muscular and skeletal systems work together to help the body? A. They provide blood to the body. B. They provide nutrients to the body. C. They provide structure and movement for the body. D. They provide oxygen and carbon dioxide to the body.

C. They provide structure and movement for the body.

34. Which describes a task performed by the circulatory system? A. sending messages to the brain B. controlling muscle movement C. transporting waste materials D. producing energy from foods

C. Transporting waste materials

65. When someone is exercising, which is most likely a function of both the circulatory and respiratory systems? A. to help the body sweat B. to make the muscles work C. to provide oxygen to the body D. to protect bones from breaking

C. to provide oxygen to the body

23. What do the muscular system and skeletal system have in common? A. Both systems protect the brain. B. Both systems pump blood to the body. C. Both systems are made up of soft material. D. Both systems assist the body with movement.

D. Both systems assist the body with movement.

59. There are different kinds of muscles in the human body. Each muscle is formed from a group of cells that works together. The main function of a group of muscle cells is to: A. make oxygen. B. release energy. C. digest nutrients. D. cause movement.

D. Cause movement

22. Which system moves blood around the body? A. nervous B. digestive C. muscular D. circulatory

D. Circulatory

39. Which example best shows structures that make up the digestive system in the human body? A. heart, blood, vessels B. nose, trachea, lungs C. brain, spinal cord, nerves D. esophagus, stomach, intestines

D. Esophagus, Stomach, Intestines

18. Why is the digestive system so important for the human body? A. It circulates blood to all of the organs. B. It moves oxygen through the lungs and into the blood. C. It carries away waste products from the place they are created. D. It breaks food into nutrients and moves the nutrients into the blood.

D. It breaks food into nutrients and moves the nutrients into the blood.

19. Which best describes the role of the respiratory system? A. It helps people stand upright. B. It helps people eat and digest different foods. C. It helps people transport blood throughout their bodies. D. It helps people breathe in oxygen and breathe out carbon dioxide.

D. It helps people breathe in oxygen and breathe out carbon dioxide.

57. Which best describes the circulatory system? A. It protects the major organs of the body. B. It breaks food into nutrients for the body. C. It sends messages to the brain to protect the body. D. It transports oxygen-rich blood throughout the body.

D. It transports oxygen-rich blood throughout the body.

12. Which body system sends electrical signals to all other body systems? A. circulatory system B. digestive system C. muscular system D. nervous system

D. Nervous System

50. Which is an example of a function the muscular system performs? A. Voluntary muscles pump blood through the body. B. Skeletal muscles keep a body's joints working properly. C. Cardiac muscles move bones and hold a body's skeleton in place. D. Smooth muscles help move food through the organs they surround.

D. Smooth muscles help move food through the organs they surround.

64. Which best describes the relationship between the cardiovascular system and the muscular system? A. The cardiovascular system captures carbon dioxide from the air for muscle energy. B. The cardiovascular system produces red blood cells to bring oxygen to muscles. C. The cardiovascular system provides a framework for muscle movement. D. The cardiovascular system delivers oxygen for muscle energy.

D. The cardiovascular system delivers oxygen for muscle energy.

49. Which statement best summarizes the relationship between the muscular system and the cardiovascular system? A. The heart is protected from injury by the breastbone. B. Nutrients are carried to the heart through arteries and veins. C. Messages are carried by nerves between the brain and the heart. D. The heart contracts and expands as it pumps blood throughout the body.

D. The heart contracts and expands as it pumps blood throughout the body.

55. Which best describes the purpose of the muscular system? A. The muscular system carries messages from the brain to the bones to move the body. B. The muscular system keeps the bones strong and protects them from being broken. C. The muscular system produces energy the body needs to be able to move. D. The muscular system allows movement of bones and helps maintain posture.

D. The muscular system allows movement of bones and helps maintain posture.

60. How does the muscular system depend on the nervous system? A. The nervous system transports blood to the muscles. B. The nervous system provides support for the muscles. C. The nervous system supplies food and oxygen to the muscles. D. The nervous system sends signals to the muscles to cause movement.

D. The nervous system sends signals to the muscles to cause movement.

33. How is the respiratory system different from the cardiovascular system? A. The respiratory system aids in digestion, while the cardiovascular system aids in muscle strength. B. The cardiovascular system aids in digestion, while the respiratory system aids in muscle strength. C. The cardiovascular system aids the lungs, while the respiratory system aids the heart, veins, and arteries throughout the body. D. The respiratory system aids the lungs, while the cardiovascular system aids the heart, veins, and arteries throughout the body.

D. The respiratory system aids the lungs, while the cardiovascular system aids the heart, veins, and arteries throughout the body.

61. Which two body systems work together to take in oxygen and release carbon dioxide? A. muscular and skeletal B. digestive and circulatory C. respiratory and muscular D. circulatory and respiratory

D. circulatory and respiratory