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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 .
Human teeth are the only part of the body that cannot heal themselves. Competitive art used to be an Olympic sport. The first person processed at Ellis Island was a 15-year-old girl from Ireland.
The dualism of the body as both the physical self and the subjective consciousness is how Chinese defined the body. The Yellow Emperor's body is a metaphor to describe a body that focuses on the individual and not the general, focusing on disorder as not just a physical malady. [17]
The human skeleton performs six major functions: support, movement, protection, production of blood cells, storage of minerals, and endocrine regulation. The human skeleton is not as sexually dimorphic as that of many other primate species, but subtle differences between sexes in the morphology of the skull, dentition, long bones, and pelvis ...
The human brain is the central organ of the nervous system, and with the spinal cord, comprises the central nervous system. It consists of the cerebrum, the brainstem and the cerebellum. The brain controls most of the activities of the body, processing, integrating, and coordinating the information it receives from the sensory nervous system ...
A body cavity is any space or compartment, or potential space, in an animal body. Cavities accommodate organs and other structures; cavities as potential spaces contain fluid. The two largest human body cavities are the ventral body cavity, and the dorsal body cavity. In the dorsal body cavity the brain and spinal cord are located.
98.6 °F (37.0 °C) is not the normal or average temperature of the human body. That figure comes from an 1860 study, but modern research shows that the average internal temperature is 36.4 °C (97.5 °F), with small fluctuations. The cells in the human body are not outnumbered 10 to 1 by microorganisms. The 10 to 1 ratio was an estimate made ...
Human skin pigmentation varies substantially between populations; this has led to the classification of people(s) on the basis of skin colour. [3] In terms of surface area, the skin is the second largest organ in the human body (the inside of the small intestine is 15 to 20 times larger).