Skeletal system: Identify which is NOT a function performed by bones. Full question: One of the following is not a recognized function of bones in vertebrates. Which one? Choose the correct option.
General Knowledge
Biology
Difficulty: Easy
Choose an option
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AProtection of vital organs and support for body structure
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BMineral storage (e.g., calcium and phosphate)
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CBlood cell formation (haematopoiesis in marrow)
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DExcretion of nitrogenous wastes (e.g., urea)
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EActing as levers for movement with muscles
Answer
Correct Answer: Excretion of nitrogenous wastes (e.g., urea)
Explanation
Concept / ApproachBones provide support, protection, serve as levers for muscles, store minerals (Ca²⁺/PO₄³⁻), and house marrow for blood cell formation. Excretion of nitrogenous wastes is a function of the kidneys/urinary system, not bones.
Final AnswerExcretion of nitrogenous wastes (e.g., urea).