MICROANATOMY

MUSCLE NERVE CARTILAGE BONE

BONE STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
the most important minerals of skeletal system are
A
Mg, Ca
B
Ca, P
C
P, K
D
Ca, Mg and P
Explanation: 

Detailed explanation-1: -Calcium is a mineral most often associated with healthy bones and teeth, although it also plays an important role in blood clotting, helping muscles to contract, and regulating normal heart rhythms and nerve functions.

Detailed explanation-2: -The major minerals found in bone are calcium and phosphorus in the form of an insoluble salt called hydroxyapatite [chemical formula: (Ca)10(PO4)6(OH)2].

Detailed explanation-3: -Your body also needs calcium (as well as phosphorus) to make healthy bones. Bones are the main storage site of calcium in the body.

Detailed explanation-4: -Among micronutrients, calcium (Ca) and inorganic (i) phosphate (P) are the two main constituents of hydroxyapatite, the bone mineral that strengthens the mechanical resistance of the organic matrix. Bone contains about 99% and 80% of the body’s entire supply of Ca and P, respectively.

Detailed explanation-5: -Calcium is the major component of the bone, where it is present at more than 99% as calcium-phosphate complexes, and provides the skeleton strength and structure, making the bone a metabolic reservoir to maintain the intra-and extra-cellular calcium pool.

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