Karen Storey. Multiple Choice: Draw a Complete Circle around the ONE BEST answer.

Size: px

Start display at page:

Download "Karen Storey. Multiple Choice: Draw a Complete Circle around the ONE BEST answer."

Myron Hoover
6 years ago
Views:

1 Human Body Systems Test Review Karen Storey 7th Grade Science Multiple Choice: Draw a Complete Circle around the ONE BEST answer. 1. Which organ system makes blood cells? a. nervous system b. circulatory system c. skeletal system d. digestive system 2. A(n) muscle contracts under unconscious control. a. involuntary c. skeletal b. voluntary d. striated 3. The process by which an organism s internal environment is kept stable in spite of changes in the external environment is called a. healing. b. homeostasis. c. digestion. d. respiration. 4. The first reaction of the body to a cut is to restore the continuity of the. a. sweat glands c. capillaries b. skin d. none of these 5. HIV can be transmitted by. a. air b. shaking hands c. intimate sexual contact d. contaminated food 6. What substance coats and protects the inside of the stomach? a. bile b. saliva c. pepsin

2 d. mucus Figure Identify the ball-and-socket joints in Figure a. D c. C b. A d. B 8. Which area shown in Figure 34-3 is not involved in the production of blood cells? a. D c. C b. B d. A

3 9. Which joints in Figure 34-3 do not move? a. A c. C b. D d. B 10. If a person s pancreas does not produce enough insulin, the person has a. diabetes. b. a disease caused by bacteria. c. AIDS. d. allergies. 11. The hormone that causes a decrease in blood glucose is. a. nuclease c. glucagon b. gastrin d. insulin 12. What is the name of the small flap of tissue that seals off the trachea during swallowing? a. pharynx b. alveoli c. epiglottis d. larynx 13. The spaces in bones are filled with a soft connective tissue called a. blood. b. marrow. c. cartilage. d. water. 14. Which part of the brain controls conscious activities, memory, language, and the senses? a. medulla oblongata c. thalamus b. cerebellum d. cerebrum 15. Which type of muscle makes up the heart? a. cardiac c. skeletal b. smooth d. all of these

4 16. A reaction by tissues to any type of injury by swelling, pain, heat, and redness is called. a. phagocytosis c. physical defense b. inflammation d. infection Figure What is the destination of blood a B in Figure 37-5? a. the heart c. both lungs b. the left lung d. the body 18. Why is blood pumped through D before B in Figure 37-5? a. to enrich it with water b. to enrich it with oxygen c. to enrich it with carbon dioxide d. to enrich it with blood cells

5 19. How are colds and flu usually spread? a. by cold weather b. from pathogens that live naturally in soil c. through an animal bite d. by direct or indirect contact with infected persons 20. Which type of muscle tires quickly during exercise? a. breathing muscle b. cardiac muscle c. smooth muscle d. skeletal muscle 21. Immunity is the body s ability to a. fight disease with the inflammation response. b. distinguish pathogens from one another. c. produce antigens. d. destroy pathogens before they can cause disease. 22. The endocrine system acts on the body through chemical products called a. blood and saliva b. target cells c. sugars d. hormones 23. The bones that form the backbone are called a. carpals. b. metatarsals. c. tibia. d. vertebrae. 24. Much of a newborn baby s skeleton is made of a. soft bone. b. cartilage. c. hard bone. d. ligaments.

6 25. What part of a neuron carries nerve impulses away from the cell body? a. axon b. nucleus c. synapse d. dendrite 26. Which of the following is part of the digestive tract? a. liver c. small intestine b. gallbladder d. pancreas 27. Blood vessels that carry blood away from the heart are called a. lymphatic vessels. b. capillaries. c. arteries. d. veins. 28. What controls the release of food from the stomach to the small intestine? a. villus c. larynx b. epiglottis d. muscular valve 29. Which of the following examples illustrates a pivot joint in use? a. You kick a football. b. You look behind you. c. You wave good-bye to a friend. d. You wind up to pitch a baseball. 30. What is the main function of the excretory system? a. to collect and remove wastes from the body b. to bring oxygen to body cells c. to protect the nervous system d. to strengthen skeletal muscles 31. Exercise is important for muscles because it a. gives muscles more energy. b. helps maintain strength and flexibility. c. prevents muscle injuries. d. prevents muscles from becoming tired.

7 Figure In Figure 35-1, when does food normally cease being liquid? a. B c. D b. A d. E 33. In Figure 35-1, where does digestion first take place? a. C c. D b. A d. B 34. Needed substances are carried to the body cells by a. water. b. food. c. enzymes. d. blood.

8 35. Which type of human body tissue can contract, or shorten? a. nerve tissue b. connective tissue c. muscle tissue d. epithelial tissue 36. A person with AIDS is susceptible to all kinds of infectious diseases because HIV. a. destroys pathogens b. causes antibody production c. weakens the immune system d. causes an increase of antigens 37. Which of the following stores urine before being expelled from the body? a. ureters c. urethra b. kidneys d. urinary bladder 38. The first section of the small intestine is called the. a. duodenum c. villus b. appendix d. rectum 39. Which type of muscle is found in internal organs? a. smooth c. striated b. skeletal d. voluntary

9 Figure What is the path of a reflex impulse in Figure 36-2? a. C-B-A-B-C c. C-A-C b. C-D-C d. C-B-C 41. A chemical that kills bacteria or slows their growth is called a(n) a. decongestant. b. antibiotic. c. aspirin. d. antibody.

10 42. What is the most abundant substance in the body? a. water c. sugar b. fat d. protein 43. How does the skin protect the body from disease? a. by keeping disease-causing microorganisms from entering the body b. by gathering information about the environment c. by increasing body temperature when it is cold d. by supplying water to the body through the pores 44. A nerve impulse travels from one cell to another by passing from. a. one dendrite to another dendrite b. one axon to a dendrite c. one dendrite to an axon d. one axon to another axon 45. What kind of motion is possible with a hinge joint? a. backward or forward b. side to side c. sliding d. rotating 46. Animal communication can occur through. a. smells c. sounds b. touches d. all of these 47. A calorie is a unit used to measure a. temperature. b. vitamins. c. minerals. d. energy.

11 48. Which excretory organ eliminates water and some chemical wastes in perspiration? a. liver b. kidneys c. lungs d. skin 49. Which of these heart structures prevents blood from flowing backward? a. valve b. aorta c. septum d. coronary artery 50. How do pairs of skeletal muscles work together? a. Both muscles contract at the same time. b. While one muscle in the pair contracts, the other returns to its original length. c. Both muscles extend at the same time. d. One muscle in the pair pulls on a bone, while the second muscle pulls on the first muscle. 51. Messages are carried back and forth between the brain and other parts of the body by a. respiratory tissue. b. the circulatory system. c. nervous tissue. d. digestive tissue. 52. If your pulse rate increases, your heart is beating a. with less pressure than before. b. slower than before. c. at the same rate as before. d. faster than before.

12 53. Which organ filters blood that has collected wastes from cells throughout the body and maintains the homeostasis of body fluids? a. lungs c. pacemaker b. heart d. kidneys 54. The is the area of the brain that controls involuntary activities,, such as breathing and heart rate. a. medulla oblongata c. cerebrum b. cerebellum d. hypothalamus 55. The menstrual cycle begins during. a. childhood c. infancy b. puberty d. adulthood 56. The endocrine system produces chemicals that a. require a system of nerves to control many body activities. b. begin to function after puberty. c. control both daily activities and long-term changes through hormones. d. travel to selected locations through tiny tubes. 57. How does the skin help regulate body temperature? a. by enabling excess heat to escape from the body b. by allowing body temperature to change when the weather becomes warmer or cooler c. by removing wastes from the body d. by blocking information about the environment 58. During which stage of growth do humans begin to crawl and walk? a. infancy c. adolescence b. childhood d. none of these 59. Which chemical in tobacco smoke is an addictive drug? a. nitrogen b. nicotine c. carbon monoxide d. tar

13 60. Which chemical in tobacco smoke may damage cilia in the respiratory system? a. carbon monoxide b. tar c. nitrogen d. nicotine

BODY SYSTEMS UNIT ANCHOR CHARTS:

BODY SYSTEMS UNIT ANCHOR CHARTS: LEVELS OF ORGANIZATION smallest unit Cells Tissues Organs Organ Systems largest unit Body TISSUES IN THE HUMAN BODY Tissue Function Example Muscle makes parts of the body