8.  The gland that #8 is on secretes: 

15. If the straws represent axons, what would the toilet paper rolls around them represent?  

21. What bone is this AND where is it located? 

20. What is this yellow substance called between the vertebrae and the meninges? 

15. This type of cartilage is:

6. The indicated structure #6 is a: 

12.  What kind of solution was placed around the original Gummy Bear?  

14. The connective tissue covering that the red tape is on is the:    

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

6. These bones are: