Circulatory, Respiratory, Nervous System

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Across
  1. 1. windpipe
  2. 5. Vena Cava Brings blood from head to lungs
  3. 9. disease that causes alveoli to disintegrate
  4. 10. symptoms persistent sadness, loss of interest in pleasurable activities, changes in body weight and sleeping patterns, loss of energy, suicidal thoughts
  5. 12. Blood comes into the left atrium
  6. 14. Partition separating the two ventricles
  7. 15. Fluid liquid that cushions the CNS and helps supply it with nutrients, WBCs and hormones
  8. 18. clusters of air sacs
  9. 20. Ventricle Pumps blood to head, body, and organs
  10. 21. sheet of muscle
  11. 23. Has 3 chambers in heart
  12. 25. lead to each lung
  13. 27. Concentration of nervous system at the head end
  14. 28. Valve Valve in the right ventricle
  15. 29. where digestive and respiratory systems meet
Down
  1. 2. Nervous System Controls smooth and cardiac muscles, organs and glands of digestive, circulatory, excretory, endocrine
  2. 3. Contraction phase
  3. 4. smaller branches
  4. 6. Has 2 chambers in heart
  5. 7. Relaxed phase
  6. 8. Cerebrospinal fluid becomes infected, meninges swell
  7. 11. Pumps blood from left ventricle to head, organs, and legs
  8. 13. Presence of CNS separate from PNS
  9. 16. Nervous System Carry signals to skeletal muscles
  10. 17. Master control center
  11. 19. voice box
  12. 22. Kills 430,000 Americans per year
  13. 24. layers of connective tissue for protection
  14. 26. Arc Receptor, sensory neuron, motor neuron, and effector are involved in quick response to stimulus