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Across 4. the rearmost lobe in each cerebral hemisphere of the brain; considered the visual center of the brain. 6. pituitary gland; controls the number of endocrine glands 7. twelve pairs of nerves that leave the brain 8. contains cell bodies of neurons that synapse with neurons of the olfactory nerves. 10. responsible for the maintenance and regulation if the internal homeostasis by controlling body temperature, appetite, fluid balance, etc. 12. a complex system of nerves and networks in the brain, involving several areas near the edge of the cortex concerned with instinct and mood. It controls the basic emotions (fear, pleasure, anger) 15. immediately behind the forehead, including areas concerned with behavior, learning, personality, and voluntary movement 16. serves as the sensory relay center. Most sensory nerves enter it and their impulses are sent to the appropriate cerebral region. 18. part of the brain that controls balance and muscle coordination; located inferior to the cerebrum 19. a region below the lateral ventricles; involved with emotional states and converting short term memory into long term memory 20. contains centers for heart rate, blood pressure and respiration. Also contains reflux centers controlling coughing, sneezing, hiccupping, etc.

Down 1. crossing point of the optic nerves 2. large band of nervous tissue that connects the two cerebral hemispheres. 3. one of four cavities in the brain filled with cerebrospinal fluid 5. the central trunk of the mammalian brain, consisting of the medulla oblongata, pons, and midbrain, and continuing downward to form the spinal cord. 9. at the top of the head, including areas concerned with the reception and correlation of sensory information. 11. each of the paired lobes of the brain lying beneath the temples; responsible for processing auditory information and with the encoding of memory. 13. two hemispheres divided by the medial longitudinal fissure; largest part of the mammalian brain. 14. endocrine gland located in the roof of the third ventricle; secretes melatonin 17. outer portion of the cerebrum