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Define the role of Fluorine in Human Body?
Fluorine is potentially a toxic element. Its essentiality for humans is not established although the role of fluoride in providing protection from dental caries in human has been demonstrated. Fluorine (F) is a gaseous chemical element, while its ion, fluoride (F-) is composed of fluorine bound to a metal, non-metal, or an organic compound. Examples are magnesium fluoride, hydrogen fluoride, fluro/benzene fluoride. Fluoride predominates in nature and in body; it is deposited in bones and teeth. Its incorporation into tooth enamel markedly increases the hardness and resistance to decay.
Ways to adapt to stress Now that you know the nature of stress, let us see what type of strategies plants have acquired to adapt to stress. You know that biological functions
Blood Pressure Blood pressure may be defined as the force or pressure which the blood exerts on the walls of the artery. Blood pressure varies with the age of the individual. B
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Why Physical Fitness is Tested? 1) To assess pre-training fitness status: Before beginning an exercise programme and allow the exercise, intensity and duration to be set at th
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