Fact 1: Testosterone stimulates the reproductive organs to develop into male organs.

Fact 2: Testicles are male reproductive organs.

Given the two facts above, answer the question "What hormone stimulates the development of testicles?" with the following options: 
- oestrogen
 - progesterone
 - positive
 - Testosterone
 - FSH
 - stamina
 - sweating
 - epidermal


 

    Testosterone     