Several things actually but the main things are these:
1) makes a man's penis erect
2) kills pain to a point
3) causes a man to do/feel manly
4) causes a man to develop their physical traits
In males, testosterone and androgen are the principal sex hormones responsible for puberty. The hormone that dominates female development is estradiol and estrogen.
Testosterone.
Testosterone is Testosterone - sex hormone responsible for developing male secondary sex characteristics it is produced in the Testicles.
Male reproductive system produces Testosterone. This hormone is produced by the interstitial cells of the testes.
The luteinizing hormone (LH) is responsible for promoting the secretion of testosterone in males. LH is released from the pituitary gland and stimulates the Leydig cells in the testes to produce testosterone.
The main male sex hormone is testosterone, which is responsible for the development of male reproductive tissues and characteristics such as muscle mass, body hair, and deepening of the voice.
The name of that hormone is testosterone. This hormone is responsible for secondary sex characters in the boys. This hormone makes them aggressive. It is secreted by the endocrine cells from your testes.
The Predominant hormone in males are testosterone
Testosterone is a hormone that is responsible for many of the physical characteristics specific to adult males. It plays a key role in reproduction and the maintenance of bone and muscle strength.
LH, Leutenizing Hormone. It signals the interstitial cells in the testes to start producing testosterone.
testosterone
That is because the hormone responsible is testosterone. This hormone is produced by the testis and in males the hormone levels are really high in puberty.