You are presented with the question "what does testosterone stimulate reproductive tissues to develop?" and the following answer choices: 
- penis
 - PDAs
 - A drug.
 - offspring
 - ovaries
 - Man
 - CO 2
 - vagina

Now knowing that testosterone stimulates the reproductive organs to develop into male organs and male mammals have a tube-like organ called the 'penis', choose the best answer.


 

 penis        