Nervous system Crosswords
Across
- 3. Rest and digest division of autonomic system
- 5. Controls vital functions like breathing and heart rate
- 8. Controls voluntary skeletal muscle movement
- 10. Sense of taste
- 14. Branch-like structure that receives incoming signals
- 16. Rapid involuntary response pathway
- 17. Cluster of neuron cell bodies in the PNS
- 21. Common neurotransmitter in nervous system
- 22. Membrane becomes more negative than resting level
- 24. Minimum stimulus required to trigger an action potential
- 25. Carries commands from CNS to muscles
- 29. Sense of smell
- 31. Rapid conduction along myelinated axons
- 34. Return toward resting membrane potential
- 36. Carries information from receptors to CNS
- 37. Rapid all-or-none electrical signal
Down
- 1. CNS glial cell that supports neurons and maintains the blood-brain barrier
- 2. System responsible for balance
- 4. Long projection that carries impulses away from the cell body
- 6. Junction where one neuron communicates with another cell
- 7. Reabsorption of neurotransmitter into presynaptic neuron
- 9. Electrical charge difference across a neuron at rest
- 11. Chemical messenger released at a synapse
- 12. Fatty insulation that speeds up nerve conduction
- 13. PNS cell that forms myelin around peripheral axons
- 15. CNS cell that forms myelin in the brain and spinal cord
- 18. Reduction in membrane negativity
- 19. Fight or flight division of autonomic system
- 20. Local variable change in membrane potential
- 23. Largest part of brain responsible for cognition
- 26. Specialized cell that transmits electrical signals in the nervous system
- 27. Immune cell of the central nervous system
- 28. Light-detecting cell in the retina
- 30. Transmits signals between brain and body
- 32. Brain region responsible for coordination and balance
- 33. Photoreceptors responsible for color vision
- 34. Photoreceptors responsible for low-light vision
- 35. Inner ear structure responsible for hearing