What is the structure labeled with the lower case “a”?  

Identify the structure indicated by #2  

Identify the structure marked with the  number 7.

Identify the bone indicated by #7    

Identify the structure indicated by # 5  

Identify the major brain area (dark matter) marked with the  number 2.

Identify the bone indicated by #7    

Identify this type of epithelial tissue which lines the trachea.    

Identify the structure indicated by # 6   

Identify the structure marked with the  number 9.