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The cells in the human body are not outnumbered 10 to 1 by microorganisms. The 10 to 1 ratio was an estimate made in 1972; current estimates put the ratio at either 3 to 1 or 1.3 to 1. [301] The total length of capillaries in the human body is not 100,000 km.
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Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. [1] [2] Modern science is typically divided into two or three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; and the social sciences (e.g., economics, psychology, and sociology), which ...
Questions are asked in the categories of Biology, Chemistry, Earth and Space Science, Energy (dealing with DOE research), Mathematics, and Physics. [1] Several categories have been added, dropped, or merged throughout the years. Computer Science was dropped from the list in late 2002. Current Events was in the 2005 competition, but did not make ...
Vidya Bharati (short for Vidya Bharati Akhil Bharatiya Shiksha Sansthan) is the educational wing of Rashtriya Swayamsevak Sangh (RSS). It runs one of the largest private network of schools in India, operating 12,000 schools with over 3.2 Million students, as of 2016 [1] [2] and has its registered headquarters in Lucknow with a functional headquarters in Delhi and a sub-office in Kurukshetra.
This unit is defined as a twelfth of the mass of a free neutral atom of carbon-12, which is approximately 1.66 × 10 −27 kg. [65] Hydrogen-1 (the lightest isotope of hydrogen which is also the nuclide with the lowest mass) has an atomic weight of 1.007825 Da. [ 66 ] The value of this number is called the atomic mass .
Neuroscience is the field of science that focuses on the study of the nervous system. Structure The nervous system derives its name from nerves, which are cylindrical bundles of fibers (the axons of neurons ), that emanate from the brain and spinal cord , and branch repeatedly to innervate every part of the body. [ 5 ]
Biochemistry, or biological chemistry, is the study of chemical processes within and relating to living organisms. [1] A sub-discipline of both chemistry and biology, biochemistry may be divided into three fields: structural biology, enzymology, and metabolism.
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