Answer:
the pepsin produces pepsinogen and the pepsinogen also peptides
 
        
             
        
        
        
Can I use this as a answer thank you
        
             
        
        
        
It is important for scientists to use scientific names and not common names because common names can be easily misunderstood as something else. For example, a scientist during an expeirement will use scientific names because if they used a common name of a certain thing and it be mistaken for something that it wasn't the entire expeirement would be ruined or someone could get hurt. 
        
             
        
        
        
As it reaches the maximum height speed decreases and subsequently it becomes 0