Answer:
The testicles produce
testosterone and other hormones when stimulated by Leutinizing Hormone,
Leutinizing stimulating hormone, and follicle stimulating hormone, which
are produced by the pituitary gland in the brain. Testosterone is
arguably the most important male hormone as it is required for muscle
mass, bone health, secondary male characteristics such as facial hair,
body hair, a deep voice male pattern baldness, energy, ambition,
concentration, etc. It is especially important during puberty, where it
is also responsible for normal penile development. The testicles also
produce sperm, which mixes with fluids produced by the prostate. The
sperm and prostate fluids are released out of the penis during
ejaculation. They can fertilize an egg if the ejaculate goes into the
vagina, as happens during sexual intercourse.
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