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man

Man generally denotes an adult male human. In biology, the term refers to the male sex, but in everyday language it is often used as a generic reference to humanity. Use of gendered terms varies across cultures and contexts, and many style guides encourage inclusive phrasing when gender is not specified.

Biology: Most men have the XY sex chromosome pair and produce androgens, particularly testosterone. At puberty,

Reproduction and anatomy: The male reproductive system consists of the testes, epididymis, vas deferens, seminal vesicles,

Genetic and social variation: Not all people identified as men have the same sex characteristics or chromosomes;

hormonal
changes
drive
the
development
of
male
secondary
sexual
characteristics,
such
as
facial
and
body
hair,
increased
muscle
mass,
a
deeper
voice,
and
changes
in
body
fat
distribution.
The
primary
male
reproductive
organs
include
the
testes,
which
produce
sperm
and
testosterone,
and
the
associated
ducts
and
glands.
prostate,
and
penis.
Sperm
are
produced
in
the
seminiferous
tubules
of
the
testes
and
are
delivered
through
the
reproductive
tract
for
potential
fertilization.
Fertilization
occurs
when
sperm
unite
with
an
ovum
during
sexual
reproduction.
intersex
variations
and
disorders
of
sex
development
occur.
Transgender
men
identify
as
men
regardless
of
the
sex
they
were
assigned
at
birth.
Cultural
concepts
of
masculinity
vary
across
societies
and
historical
periods
and
interact
with
health,
education,
and
economic
opportunity.