Best Answer: B) Corpus callosum which is a wide, flat bundle of neural fibers beneath the cortex in the eutherian brain at the longitudinal fissure. It connects the left and right cerebral hemispheres and facilitates interhemispheric communication. It is the largest white matter structure in the brain, consisting of 200â250 million contralateral axonal projections.
harebrained â(comparative more harebrained, superlative most harebrained) ( 1 of an idea or plan etc) absurd, foolish or stupid. ( 2 of a person) frivolous and silly; featherbrained or scatterbrained.
Brain teasers are a type of brain exercise that stimulates cognitive function. A crossword puzzle is a brain teaser. Someone who enjoys brain teasers may have fun completing Sudoku puzzles. Brain teasers and logic problems play a key role in IQ testing.