Respuesta :
Male reproductive system works in response to particular hormones. It involves endocrine system that releases hormone testosterone.
What is testosterone?
Testosterone is a male hormone that is responsible for masculine characters.
It is very much important for male physical development. In male it regulates libido, development of genital organs, bone mass, distribution of fat, production of red blood cells and sperm, etc.
Thus, option A is correct.
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