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Red blood cells (RBCs), referred to as erythrocytes (from Ancient Greek erythros 'red' and kytos 'hollow vessel', with -cyte translated as 'cell' in modern usage) in academia and medical publishing, also known as red cells, [1] erythroid cells, and rarely haematids, are the most common type of blood cell and the vertebrate's principal means of delivering oxygen (O 2) to the body tissues—via ...
More accurate results can be obtained using other methods to approximate the area B, such as approximating the Lorenz curve with a quadratic function across pairs of intervals or building an appropriately smooth approximation to the underlying distribution function that matches the known data. If the population mean and boundary values for each ...
Obesity is a complex public health and policy problem because of its prevalence, costs, and health effects. [193] As such, managing it requires changes in the wider societal context and effort by communities, local authorities, and governments. [ 185 ]
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10 μm – mean longest dimension of a human red blood cell [citation needed] 5–20 μm – dust mite excreta [95] 10.6 μm – wavelength of light emitted by a carbon dioxide laser; 15 μm – width of silk fibre [citation needed] 17 μm – minimum width of a strand of human hair [25] 17.6 μm – one twip, a unit of length in typography
The following are lists of countries by estimated suicide rates as published by the World Health Organization (WHO) and other sources. [note 1] In many countries, suicide rates are underreported due to social stigma, cultural or legal concerns. [3] Thus, these figures cannot be used to compare real suicide rates, which are unknown in most ...
The mean age at childbearing indicates the age of a woman at their childbearing events, if women were subject throughout their lives to the age-specific fertility rates observed in that given year. [1] In countries with very high fertility rates women can have their first child at a much younger age than the mean age at childbearing.
Through its widespread adoption, VGA has also come to mean either an analog computer display standard, the 15-pin D-subminiature VGA connector, or the 640 × 480 resolution itself. While the VGA resolution was superseded in the personal computer market in the 1990s and the SEGA Dreamcast in 1998, [ 86 ] it became a popular resolution on mobile ...