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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). 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.
May 26, 2024 · Homo sapiens, the species to which all modern human beings belong. Homo sapiens is one of several species grouped into the genus Homo, but it is the only one that is not extinct. See also human evolution. The name Homo sapiens was applied in 1758 by the father of modern biological classification ( see taxonomy ), Carolus Linnaeus.
May 26, 2024 · Learn about the structure, function, and composition of the human body, the physical substance of the human organism. Explore the major organs, systems, tissues, and cells, as well as the biochemical and genetic aspects of human anatomy and physiology.
- The Editors of Encyclopaedia Britannica
- Chemically, the human body consists mainly of water and organic compounds—i.e., lipids, proteins, carbohydrates, and nucleic acids. The human body...
- The four main types of tissue in the human body are epithelial, muscle, nerve, and connective.
- The nine major organ systems in the human body are the integumentary system, the musculoskeletal system, the respiratory system, the circulatory sy...
Human body measurements differ. The worldwide average height for an adult human male is about 172 cm (5 ft in), and the worldwide average height for adult human females is about 158 cm (5 ft 2 in). The average weight of an adult human is 54–64 kg (119–141 lb) for females and 70–83 kg (154–183 lb) for males.
May 19, 2024 · Learn about human beings, the culture-bearing primates classified in the genus Homo, especially the species H. sapiens. Explore their anatomy, cognition, history, and diversity across the world.
- The Editors of Encyclopaedia Britannica
Feb 2, 2021 · 15,000 to 40,000 Years Ago: Genetics and Fossils Show Homo sapiens Became the Only Surviving Human Species. A facial reconstruction of Homo floresiensis, a diminutive early human that may have ...
May 25, 2021 · Additional resources. Homo sapiens is a species of highly intelligent primate that includes all living humans, who are often referred to as H. sapiens sapiens. There were once many species in the ...
