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Human Systems Exam – Read each question carefully, choose the best answer and record ALL answers on your answer sheet. Do Not Write on this TEST. 1. A human tissue is composed of a group of a) similar cells working together b) different organs working together c) organ systems working together d) organelles within a cell working together 2. The main function of the human digestive system is to a) carry nutrients to all parts of the body b) exchange oxygen and carbon dioxide in the lungs c) break down foods for absorption into the blood d) release energy from sugars within the cells 3. Running is an activity that causes the cells in the muscular system to use oxygen at a faster rate. Which system responds by delivering more oxygen to these cells? a) digestive b) nervous c) endocrine d) circulatory 4. The kidneys, which remove dissolved wastes from the blood, are organs of the a) endocrine system b) excretory system c) skeletal system d) nervous system 5. Which human organ system is shown below? a) Nervous b) Digestive c) Circulatory d) Respiratory 6. The basic life functions of an organism are carried on by: a) cells c) atoms b) nutrients d) hormones 7. During which process do cells use oxygen to release stored energy? a) photosynthesis b) respiration c) circulation d) digestion 8. Which outcome is most likely if a person regularly consumes more Calories than is needed for daily activities? a) weight loss b) weight gain c) infectious disease d) pregnancy 9. The interaction of the skeletal and muscular systems to produce movement is coordinated by which human body system? a) circulatory b) excretory c) nervous d) respiratory 14. Which human body systems are directly involved in reflex actions, such as blinking or jumping when startled? a) circulatory and respiratory b) digestive and excretory c) nervous and muscular d) reproductive and skeletal 10. Scurvy is a disease that sailors often got on long voyages. It was discovered that scurvy would be prevented by eating oranges and lemons. This suggests that scurvy is a disease caused by a) exposure to sea air b) not eating correct foods c) a microorganism d) lack of exercise 15. Where in the body would you NOT expect to find muscles at work? a) in your skin b) in your stomach c) in your heart d) in your arm 11. A broken bone heals through the process of a) cell division c) mutation b) adaptation d) digestion 12. Which human organ system produces hormones to regulate growth, development, and reproduction? a) circulatory c) digestive b) nervous d) endocrine 16. What organs make up the central nervous system? a) brain and heart b) brain and vertebrae c) brain and spinal cord d) spinal cord and vertebrae 17. What are 2 of the functions performed by the body system pictured below? 13. Three different cells are shown below: Which process occurs in all of these? a) metamorphosis b) locomotion (movement) c) reproduction d) photosynthesis a) controls and coordinate body activities b) produce and excrete waste products c) protect and support the body d) produce and transport oxygen within the body 18. Which diagram below represents one type of human tissue? (diagrams are not drawn to scale.) 19. The diagram below shows a life process taking place within a cell. Which life process is shown? a) reproduction b) digestion c) respiration d) locomotion 20. The chart below identifies the function of several organs found in a human body system Which human body system performs these functions? a) skeletal b) digestive c) respiratory d) circulatory 21-23 Use the terms below to complete the sequence of the levels of organization in a multicellular organism. Organs Organ systems Tissues Cells #21 #22 #23 multicellular organism 24-28 Complete the table below by identifying the human organ system that performs each function listed. The first row has been completed. Base your answers to questions 29 and 30 on the diagram below and on your knowledge of science. The diagram represents a human organ system. The arrows show the direction of blood flow. Letters A and B represent locations in this system. 29. Identify the human organ system responsible for the movement of blood shown in the diagram. 30. State one reason why the blood at location B contains more oxygen than the blood at location A. Short essay- Choose 2 human body systems that work together closely and write a paragraph describing how each system helps the other system function properly. Human Systems – Answer sheet Name ______________________ _____1. 21._________________ _____2. 22._________________ _____3. 23._________________ _____4. 24._________________ _____5. 25._________________ _____6. 26._________________ _____7. 27._________________ _____8. 28._________________ _____9. 29._________________ _____10. 30. _____11. _____12. _____13. _____14. _____15. _____16. _____17. _____18. _____19. _____20. Please answer the short essay on the back. It counts double.