> it was said that the brain was composed of different muscles, so those that were used more often were bigger, resulting in the different skull shapes. this provided reasoning for the common presence of bumps on the skull in different locations. the brain "muscles" not being used as frequently remained small and were therefore not present on the exterior of the skull. although both of those ideas have a basis in reality, > although both of those ideas have a basis in reality, > although both of those ideas have a basis in reality, > although both of those ideas have a basis in reality, > although both of those ideas have a basis in reality,
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