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Chapter 3 Human Body Systems Test INSTRUCTIONS: Match the term with the definition below. The Human Body A. cells B. circulatory C. digestive D. endocrine E. excretory G. integumentary H. organs I. organ system J. respiratory The human body is well equipped to carry out the necessary processes of life. The body has similar (1), which work together and make up a tissue. Different tissues are organized into (2). A complex activity, such as the breakdown of food for use by the cells requires an (3). This specific function is performed by the (4). Other organ systems are involved in the transport of materials into, through, and out of the body. The systems are the (5) system (clue: air), (6) system (clue: liquid), and the (7) system (clue: waste). Two organs systems that control body’s activities are the nervous system and the (8) system. Two other organ systems that protect the body are the immune system and the (9) system. To do all the wonderful things that humans do, it is necessary that all the body’s organ systems work together. 1. 2. 3. 4. 5. 6. 7. 8. 9. A H I C J B E D G The Digestive System A. bile B. bolus C. canines D. chemically E. colon I. rectum F. energy J. saliva G. esophagus K. small intestine H. large intestine L. stomach M. villi 10. 11. 12. The function of the digestive system is to break down food so that 13. cells can use it. Food supplies (10) to the cells. Digestion begins in the 14. mouth where incisors bite the food, and (11) cut and tear it. Molars crush 15. the food into a small ball called the (12). (13), a liquid from the salivary 16. glands in the mouth, softens the bolus and starts breaking it down (14). 17. Swallowed food moves down the (15) to the (16). In the stomach, the 18. liver adds (17) and the pancreas adds other digestive juices that break 19. down food into a soupy liquid. Then the food moves to the (18) where it 20. can be absorbed into the body through the (19). The leftover food that 21. could not be digested moves to the (20), which has the (21) as its widest 22. part. The last part of the large intestine is the (22). F C B J D G L A K M H E I Chapter 3 Human Body Systems Test The Respiratory System A. alveoli B. bronchi C. carbon dioxide D. diaphragm E. diffusion F. exhale G. glucose H. inhale I. lungs J. mitochondria K. trachea 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. H K I B A E C F D J G 34. 35. 36. The circulatory system carries needed supplies like food and oxygen to 37. the various organs and tissues, and it takes away waste. The circulatory 38. system consists of the (34) (clue: pump), (35) (clue: pipes), and (36) 39. (clue: liquid). The heart itself is divided into four chambers the upper left 40. and right (37) and lower left and right (38). There are three types of 41. blood vessels: (39) that carry blood to the heart from the body, (40) that 42. carry blood from the heart to the body, and (41) that connect the two. An 43. important station in the blood’s trip through the body is the lungs where 44. (42) blood cells get (43) and leave (44). The blood’s (45) cells fight 45. germs and break down dead cells. (46) keep blood from leaking through 46. the thin walls of the capillaries. They also form scabs that stop cuts from 47. bleeding. (47) is the clear liquid that carries the other parts of the blood throughout the body. G D C B M L A E K H F N J I Your cells need oxygen to break down food for energy. Oxygen enters the body through your respiratory system. When you (23), air passes through your nose and mouth and enters your (24), or windpipe. The trachea lets air into your right or left (25). The lungs expand as air flows into smaller branched tubes called (26). At the end of the bronchi are tiny sacs called (27). Here oxygen flows through the alveoli’s walls into the blood cells in a process called (28). The blood carries a waste product called (29) from the blood to the tubes of the lungs. Carbon dioxide is pushed out of the body when the lungs (30). The muscle that controls the movement of gases through the lungs is called (31). Oxygen in the blood can flow into a cell’s (32), where it reacts with a type of sugar called (33). This reaction releases energy to the cell. The Circulatory System A. arteries B. atrium C. blood D. blood vessels E. capillaries F. carbon dioxide G. heart H. oxygen I. plasma J. platelets K. red L. veins M. ventricle N. white Chapter 3 Human Body Systems Test The Excretory System A. artery B. bile C. ducts D. kidneys E. nephrons F. pores G. returned H. sweat I. tubes J. ureters K. useful The job of the excretory system is to get rid of wastes. In the integumentary system, sweat glands push (48) that contains waste to the surface of the skin through (49). In the urinary system, waste products are filtered and useful products are (50) to the blood. The process of the urinary system starts when the liver produces (51) to break down food. Whatever broken-down food that the body can not use leaves the liver as urea. Next, the blood containing urea flows into the bean-shaped (52) through an (53) and then to the capillaries. Once the blood reaches the (54), or individual, tiny, filters, it will be separated so that (55) material are sent back to the blood. Wastes will get caught up in (56) with semi permeable membranes and then will be held in collecting (57). The urea and other wastes reach the bladder through tubes called (58). A signal goes to the brain to indicate that the bladder needs to be emptied. 48. H 49. F 50. G 51. B 52. D 53. A 54. E 55. K 56. I 57. C 58. J 59.