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Related Pair Of Words/Analogy
Heart : Pericardium :: Brain : ________?
Explanation and memory cue
The pericardium is the membrane enclosing the heart, so the analogy asks for the membrane or protective structure enclosing the brain. The skull (option C) is the bony structure that encloses and protects the brain, making it the correct analogy. 'Cranium' is a synonym for skull, but since 'Skull' is the more commonly used term in such analogies and is listed as an option, it is the best choice. 'Bones' and 'Head' are too general and do not specifically enclose the brain.