Anatomy Final Exam Crossword

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Across
  1. 2. : Valves that close to produce the "lub" sound in the heart.
  2. 7. : The transparent central part of the eye where light enters.
  3. 9. : Part of the brain responsible for temperature regulation.
  4. 11. : Process by which oxygen and carbon dioxide exchange occurs.
  5. 13. : Tubes where fertilization occurs.
  6. 15. : The primary function of this system is body protection.
  7. 16. : The "thick filament" in muscle contraction.
  8. 17. : A feedback system that regulates body temperature.
Down
  1. 1. : The substance causing muscle burn after exercise.
  2. 3. : Outermost layer of the skin.
  3. 4. : Condition caused by cholesterol buildup in arteries.
  4. 5. : Site of sperm production in the testes.
  5. 6. : The basic unit of the nervous system.
  6. 8. : Flap of cartilage that prevents food from entering the trachea.
  7. 10. : The thin filament in muscle contraction.
  8. 12. : Tiny air sacs in the lungs where gas exchange occurs.
  9. 14. : Hormone detected by pregnancy tests.