6. Which one of these cell parts CANNOT be seen with a light microscope?

6. These bones are:  

19. What structure is between a spinal ramus and a spinal root? 

18. What bone articulates here?   

3. The covering part of the spinal cord at the tip of the blue arrow is called the:  

21. What new information did you learn from watching the Unfixed Spinal Cord Video?  (the more you write the more points) 

5. What do these threads represent on this cell model?   

17. Which direction will water move in this picture?   

15. This foot bone is the:

16. Identify the bone.