Nat Turner led a slave revolt several years before the Civil War. The revolt failed and he was killed. he is known for leading 2 uprises in Virginia in 1831 before getting caught.
Calcium (Ca), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. It is the most abundant metallic element in the human body and the fifth most abundant element in Earthâs crust.
Rating Newest Oldest. Best Answer: Calcium is the most abundant mineral in the human body and is necessary for a variety of functions, including muscle contraction, blood vessel function, the production of hormones and enzymes, and the transmission of impulses throughout the nervous system.airy Sources The highest amounts of calcium can be found in dairy foods. Plain, low-fat yogurt is the highest in calcium, with 415 mg per 8 oz. serving, followed by cheddar cheese with 306 mg in 1.5 oz.