The 'stone' formed in human kidney consist mostly of_____________?
Correct answer: A. Calcium oxalate
- A. Calcium oxalate
- B. Sodium acetate
- C. Magnesium sulphate
- D. Calcium
Explanation
Most kidney stones are calcium oxalate, formed when calcium combines with oxalate in concentrated urine. Pure calcium is not the usual composition, although calcium is part of many stones.
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The human body is studied through its organ systems, including digestion, respiration, circulation, excretion, nervous coordination, reproduction and immunity. Coverage also includes nutrients and deficiency diseases, hormones, blood groups, common infections, vaccines, sanitation and basic first aid, while distinguishing communicable diseases from inherited and lifestyle disorders.
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