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