Enter your Name:   Enter your E-mail Address:  Define the following terms: 01a. Gray matter 01b. White matter 01c. Decussation 01d. Vital functions 01e. Commissures 02. Identify the structures in the following figure: 03. What is the structure made by letters e, f, and g in the figure above? 04. What is the structure formed by both d and the hypothalamus in the figure? 05. What is the main function of the ventricles in the brain? 06. Explain the purpose of a reflex arc. 07. Explain how a basic reflex works. 08. Explain how the brain can control a skeletal muscle which is also controlled by a reflex arc. Match the functional areas of the cerebral cortex with their functions: 09. primary somatic sensory area 10. somatic sensory association area 11. visual association area 12. visual cortex 13. Wernicke's area 14. auditory association area 15. primary auditory area 16. Broca's area 17. taste area 18. prefrontal area 19. premotor area 20. primary motor cortex