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The cranial capacity of Cro-Magnon individuals, which were anatomically modern humans, ranged from around 1350 to 1750 cubic centimeters. This is similar to the average cranial capacity of modern humans.
Paleoanthropologists focus on traits related to bipedalism, cranial capacity, dentition, and tool use when studying human evolution. These traits help them understand how humans have adapted physically and behaviorally over time.
the brain stem
The brain is contained and protected by the cranial cavity, which is located in the skull. The cranial cavity provides a secure and enclosed space for the brain, shielding it from external damage.
the out hair cells (OHC)push against the tectorial membrane in response to efferent innervation from the CNS the seventh cranial nerve it's the inner hair cells (IHC) that provide the sense of hearing afferent innervation to the CNS the eighth cranial nerve