Unit 12 Crossword Puzzle

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Across
  1. 3. Master control center of the body
  2. 4. Circulatory system transports ___ to all body cells
  3. 5. O2 is poor blood is a ____ red that resembles blue
  4. 7. The infection when the cerebrospinal fluid becomes infected meninges swell
  5. 9. Disease that causes alveoli to disintegrate
  6. 11. An EKG uses electrodes on the ____ to record the activity of the heart
  7. 14. In a resting neuron, negative charge is ____
  8. 16. ______ is the name of chronic cardiovascular disease
  9. 20. Disease caused by the imbalance of serotonin
  10. 21. Structure in nervous system that is branched, short and receive incoming messages from other cells or the environment
  11. 24. The _________ circuit carries blood between the heart and rest of body
  12. 25. The lobe that controls vision
  13. 29. Cells take up O2 for the process of ___________
  14. 30. The PNS division consists of ____
  15. 31. Parts that control autonomic and homeostatic functions
Down
  1. 1. The valve between the right atrium and the right ventricle is called the ____ valve
  2. 2. Which type of muscle helps veins move against the flow of gravity?
  3. 6. _____ increases surface area to allow for more gas exchange
  4. 8. Name of chemical that carries information from one neuron to another type of cell that will react
  5. 10. The CNS division of the nervous system consists of the brain and ______
  6. 12. ____ is a blood clot that forms in the absence of injury
  7. 13. How many heart chambers do humans have?
  8. 15. Breathing is an alternation of inhalation and _______
  9. 17. Without oxygen the cells start to ____
  10. 18. A synonym for epinephrine is _____
  11. 19. Chemicals in cigarettes damage the mucus and _____
  12. 22. The stem cell with carbohydrates on the surface that determine blood type are___
  13. 23. Aquatic organisms have ____ for their respiratory surfaces
  14. 26. _____ is where the digestive and respiratory systems meet
  15. 27. The aortic semilunar valve transports blood from the left ventricle to the _____
  16. 28. Two blood cells fell in love but alas it was all in ____