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A man is an adult male human. [a] [2] [3] Before adulthood, a male human is referred to as a boy (a male child or adolescent). Like most other male mammals, a man's genome usually inherits an X chromosome from the mother and a Y chromosome from the father. Sex differentiation of the male fetus is governed by the SRY gene on the Y
The symbol of the Roman god Mars (god of war) is often used to represent the male sex. It also stands for the planet Mars and is the alchemical symbol for iron.. Male (symbol: ♂) is the sex of an organism that produces the gamete (sex cell) known as sperm, which fuses with the larger female gamete, [1] [2] [3] or ovum, in the process of fertilisation.
Human is a loanword of Middle English from Old French humain, ultimately from Latin hūmānus, the adjectival form of homō ('man' – in the sense of humanity). [9] The native English term man can refer to the species generally (a synonym for humanity) as well as to human males. It may also refer to individuals of either sex. [10]
Human curiosity and capability to learn by deduction, Werner Luck 1976 [citation needed] Homo juridicus "juridical man" Homo juridicus identifies normative primacy of law, Alain Supiot, 2007. [27] Homo laborans "working man" Human capability for division of labour, specialization and expertise in craftsmanship and, Theodor Litt 1948 [citation ...
(then at the beginning, God created two human beings, man and woman) [6] These terms are also used to qualify compounds; wifmann (variant wimman ) developed into the modern word "woman". Wæpned also meant "male", and was used to qualify "man": wæpnedmann (variant wepman , "male person").
The human body is the entire structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organs and then organ systems . The external human body consists of a head , hair , neck , torso (which includes the thorax and abdomen ), genitals , arms , hands , legs , and feet .
If sperm competition results in the rival male's sperm fertilising the egg, cuckoldry could occur. This is the process whereby males unwittingly invest their resources into offspring of another male and, evolutionarily speaking, should be avoided. [33] The most researched human penis adaptations are penis size and semen displacement. [34]
In male embryos at six to seven weeks' gestation, "the expression of a gene on the Y chromosome induces changes that result in the development of the testes". At approximately nine weeks' gestation, the production of testosterone by a male embryo results in the development of the male reproductive system. [13] Filipino boy