The hardness of the bone tissue is due to the phosphates and carbonates of ___ .

potassium and sodium

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calcium and magnesium

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magnesium and sodium

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magnesium and potassium

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Solution

The correct option is B calcium and magnesium
Bone is the main supportive structure of vertebrates. Bones support and protect the various organs of the body and produce red blood cells. The bone cells are embedded in a hard matrix that is composed of calcium and magnesium. Calcium and magnesium salts are responsible for the hardness of the bone tissue.

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Similar questions

Give reason:

(a)Blood is a fluid connective tissue.

(B)Bone are so hard

(C)cartilage is flexible

Match the following

Column I Column II

ii. Tendon a. Hard connective tissue

ii. Ligament b. Connect bone to muscle

iii. Cartilage c. Connect bone to bone

iv. Bone d. Flexible connective tissue

i. a, ii.b. iii.c iv.c

i.c, ii.b, iii. d, iv.a

i.b ii.c, iii.d, iv.a

i.d, ii.c, iii.b iv.a

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