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Calcium

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          Calcium is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078 amu. Calcium is a soft gray alkaline earth metal, and is the fifth most abundant element by mass in the Earth's crust. Calcium is also the fifth most abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate           It is about 2% of our body weight, and 90% of total Calcium is stored in bones. Calcium is an important component of a healthy diet and a mineral necessary for life. The National Osteoporosis Foundation says, "Calcium plays an important role in building stronger, denser bones early in life and keeping bones strong and healthy later in life." Approximately 99 percent of the body's calcium is stored in the bones and teeth. The rest of the calcium in the body has other important uses, such as some exocytosis, especi...

MORE ON B

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From very early Boron has been used as preservatives. It was very famous preservative in World War.I think Warington (1923)and Sommer (1926) were first to show that B was essential nutrient for plants and animals. In 1981 Hunt and Nielson showed that there was an interaction between cholecalciferol and B. NUTRITIONAL IMPORTANCE Findings from various experiments indicate that chicks and rats fed low dietary B exhibit altered bone development, brain function, micro mineral metabolism, energy substrate utilization, immune function and insulin secretion.  As we have seen that B is very important in our bone and skeletal system. It has also essential role in our brain function. In 1993 Penland showed that deficiency in B affect brain electrical activity. Brain mineral composition also is affected by B deprivation. B was also found to decrease the absorption of  Calcium, Magnesium, and Phosphorus. Boron deprivation is also found to alter the plasma concentration of substances in...