10. What is a nerve? __________________________________________________________
11. Describe afferent and efferent neurons. _______________________________________
12. What are the 3 classifications of neurons? Briefly describe each. ___________________
________________________________________________________________________
13. Define ganglia and nucleus . ______________________________________________________
14. What are the 3 main parts that make up the brain? ______________________________
________________________________________________________________________
15. What connects the 2 cerebral hemispheres? ___________________________________
_______________________________________________________________________
16. What are the 4 lobes of the cerebral cortex? ___________________________________
________________________________________________________________________
17. What are the ridges and grooves on the brain’s surface called? ____________________
18. Where is the reticular formation located?______________________________________
19. What is the limbic system? _________________________________________________
20. What is the arbour vitae? ___________________________________________________
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