1. A. Closes circulatiry system. 2. C. Chitin. 3. A. Biramous. 4. A. True. 5. B. False. Centipeds have one pair legs per segment, Millipedes have 2 pair. 6. B. False. (cut, tear, crush , chew.. these are different types of mouth part s in insects. ). 7. B. Conduct electrical impulse. 8. C.Glia. 9. B. Mcrophages. 10. C. Haversian canals. Solution 1. A. Closes circulatiry system. 2. C. Chitin. 3. A. Biramous. 4. A. True. 5. B. False. Centipeds have one pair legs per segment, Millipedes have 2 pair. 6. B. False. (cut, tear, crush , chew.. these are different types of mouth part s in insects. ). 7. B. Conduct electrical impulse. 8. C.Glia. 9. B. Mcrophages. 10. C. Haversian canals..