The gonads or testicles.
Testosterone is the hormone that causes elongation of the vocal cords and thus a deeper voice.
testosterone
a surge of testosterone in males and it causes ovulation in females.
hormonal in-balance they have to much testosterone
Lack of testosterone, estrogens and progesterone.
Testosterone, the male hormone.
Testosterone causes aggression.
Yes males are born with a low level of testosterone. It starts in the womb, Estrogen causes a fetus to become a girl & elevated Testosterone causes a fetus to become a boy. Males have a higher level of Testosterone throughout their lives & females have a higher level of Estrogen.
There could be a number of causes for this to happen. Low levels of Testosterone would be the first thing to check. Somatropin is the hormone associated with growth.
The name of the hormone that causes puberty in male mammals is the testosterone
Testosterone
The main cause of change at puberty are started by the production of our hormones(testosterone for boys and the estrogen and progesterone for girls)