You are presented with the question "What hormone stimulates the development of testicles?" and the following answer choices: 
- oestrogen
 - progesterone
 - positive
 - Testosterone
 - FSH
 - stamina
 - sweating
 - epidermal

Now knowing that testosterone stimulates the reproductive organs to develop into male organs and testicles are male reproductive organs, choose the best answer.


 

    Testosterone     