Circulatory, Respiratory, Nervous System

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