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Il y a 2 jours · Human evolution is the evolutionary process within the history of primates that led to the emergence of Homo sapiens as a distinct species of the hominid family that includes all the great apes. [1]
21 sept. 2024 · The human body is the physical substance of the human organism. Characteristic of the vertebrate form, the human body has an internal skeleton with a backbone, and, as with the mammalian form, it has hair and mammary glands. Learn more about the composition, form, and physical adaptations of the human body.
- 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...
Il y a 4 jours · The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period.
2 oct. 2024 · Ce module présente le corps humain entier (masculin) avec plus de 1300 structures anatomiques légendées sur 463 photographies en coupes axiales. Il a été réalisé à partir des coupes anatomiques du Visible Human Project, projet débuté en 1989, dirigé par la National Library of Medicine sous la direction de Michael J. Ackerman.
8 oct. 2024 · Hominin, any member of the zoological ‘tribe’ Hominini (family Hominidae, order Primates), of which only one species exists today—Homo sapiens. The term is used most often to refer to extinct members of the human lineage, including Homo neanderthalensis, Homo erectus, and various species of Australopithecus.
- The Editors of Encyclopaedia Britannica
Il y a 1 jour · Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers. They migrated out of Africa during the Last Ice Age and had populated most of the Earth by the end of the Ice Age 12,000 years ago.
1 oct. 2024 · Human nature, fundamental dispositions and traits of humans. Theories about the nature of humankind form a part of every culture. In the West, one traditional question centred on whether humans are naturally selfish and competitive (see Thomas Hobbes; John Locke) or social and altruistic (see Karl.
