Circulation - Respiration - Nervous System

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Across
  1. 2. Nucleus and other organelles
  2. 4. Nerve cell specialized for carrying signals throughout body parts
  3. 5. Prevent back-flow of blood
  4. 8. Orderly contractions and relaxations of the heart
  5. 9. The only artery in the body that transports deoxygenated blood
  6. 12. Bonds better with hemoglobin than oxygen
  7. 16. Smaller branches in each lung that transport air
  8. 18. Carries blood between heart and rest of body
  9. 20. Separates oxygenated blood from deoxygenated blood
  10. 22. Cardiopulmonaresuscitation
  11. 23. Windpipe
  12. 24. Voice Box
  13. 26. The largest blood vessel
  14. 28. relays signals to another neuron or effector
  15. 29. Peripheral Nervous System
  16. 30. Receive/detect incoming messages from other cells or the environment
  17. 31. Transport air to each lung
Down
  1. 1. The only vein in the body that carries oxygenated blood
  2. 3. Carries blood between heart and lungs
  3. 6. Disease caused by iron deficiency
  4. 7. Location where digestive and respiratory systems meet
  5. 10. Contracts and relaxes to suck in air and to let it out
  6. 11. Lower heart chambers that pump oxygenated blood to certain body organs and tissues
  7. 13. chain of beadlike supporting cells
  8. 14. Sensory neurons carrying impulses from sense organs to CNS
  9. 15. Clusters of air sacs in the lungs
  10. 17. disease that causes alveoli to disintegrate
  11. 19. Diffuse nutrients and oxygen into tissue
  12. 21. Sends commands to skeletal muscles
  13. 25. Communication passageways created from bundles of neuron fibers
  14. 27. Distributes a signal toward another neuron or effector