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The symbol of the Roman god Mars (the god of war) is frequently used to represent the male sex.

The male sex refers to that division of a species which produces sperm. In most mammals, sperm develops inside the testes. Sperm allows the propagation of the species to continue through the creation of offspring. In humans, an XY sex chromosome structure is a male and a XX sex chromosome structure is a female. The process of going from a child to developing the secondary sex characteristics that cause full maturation takes place mostly in puberty.

See also