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