<Tr> <Th_colspan="2"> Details </Th> </Tr> <Tr> <Th> Part of </Th> <Td> Brain </Td> </Tr> <Tr> <Th> Parts </Th> <Td> Medulla, Pons, Midbrain </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr>

Where does the brain sit within the nervous system