Circulation - Respiration - Nervous System

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