The brain is a delicate organ but it is protected by and (citation required). The brain is organized into four regions: , , , and (citation required). The hindbrain and the brainstem (citation required). The midbrain (citation required). The forebrain includes the hypothalamus, the thalamus, the pineal body, and the cerebrum. The cerebrum is divided into four distinct lobes and two hemispheres. Of these, the frontal lobe is responsible for functions, the parietal lobe is responsible for functions, the temporal lobe is responsible for functions, and the occipital lobe is responsible for functions (citation required). Distinct from the spinal cord, the brain is serviced by __ pairs of nerves that include the optic nerve and the nerves responsible for tongue movement and hearing and balance (citation required).

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Explanation:

The brain is a delicate organ but it is protected by cranium and meninges. The brain is organized into four regions: Hindbrain, Forebrain, Midbrain and Brainstem. The hindbrain and the brainstem includes the brain and spinal cord. The midbrain is the third part of the brain stem, and serves to relay sensory and motor information between the spinal cord and the rest of the brain. The forebrain includes the hypothalamus, the thalamus, the pineal body, and the cerebrum. The cerebrum is divided into four distinct lobes and two hemispheres. Of these, the frontal lobe is responsible for cognitive functions, the parietal lobe is responsible for sensory functions, the temporal lobe is responsible for auditory (language and memory) functions, and the occipital lobe is responsible for visual functions. Distinct from the spinal cord, the brain is serviced by 12 pairs of nerves that include the optic nerve and the nerves responsible for tongue movement and hearing and balance.