The gases being released from the ground
        
                    
             
        
        
        
Sperm cells are produced in the Epididymis, to get to the urethra they must travel through the Vas deferens.
        
                    
             
        
        
        
The two types of microscopes are electron and optical microscopes. 
Electron microscopes have a higher magnifying power since it uses lighting technology to do so.
Hope it helped,
Happy homework/ study/ exam!
 
        
                    
             
        
        
        
I think its ADP because it breaks off the third phosphate.