Answer: C. The amount of insulin in her blood is wrong.
Explanation: The pancreas is mainly responsible for production of insulin, so a change in insulin levels would indicate something being wrong with the pancreas.
 
        
                    
             
        
        
        
Answer:
B
Explanation:
It has membrane-bound organelles. Mitochondria and chloroplasts are structures found in the eukaryotic cells.
 
        
             
        
        
        
The study of body structure is called Anatomy