Across
- 2. Anything that causes a Nerve Signal to Start
- 4. Heart Chamber that Pumps Blood
- 5. Sheet of Muscle
- 8. Red Blood Cells
- 9. Relaxation Phase
- 10. Low Blood Pressure
- 13. Windpipe
- 15. High Blood Pressure
- 16. Branches at the end of the Bronci
- 19. Digestive and Respiratory Meeting Point
- 21. Central Nervous System
- 22. Cardiopulmonary Resuscitation
- 23. White Blood Cells
- 25. Master Control Center
- 27. Long, Single Fiber
- 28. Contraction Phase
- 29. Heart Chamber that Receives Blood
Down
- 1. Branches atthe end of the Trachea
- 3. Chain of beadlike Supporting Cells (2 words)
- 6. Peripheral Nervous System
- 7. Nerve Cell specialized for carrying Signals
- 8. Adrenaline
- 11. Relay Point between Cells
- 12. Layers of Connective Tissue for Protection
- 14. Clusters of Air Sacs
- 17. 4 Polypeptide Chains, Heme, and Iron
- 18. Alveoli Disinegration
- 20. Iron Deficiency
- 24. Nucleus and other Organelles (2 words)
- 26. Voice Box