i. Cerebrum - has many functions including speech, personality, memory
ii. Cerebellum - coordinates movement
iii. Hypothalamus - homeostasis (regulates hunger, thirst, sleep-wake cycle, temperature, blood pressure, heart rate, stomach/intestine activates), produce hormones (oxytocin, antidiuretic hormone), autonomic nervous system control center
iv. Medulla oblongata- controls vital reflexes: heart rate, respiratory rate, blood pressure. non-vital reflexes: sneezing, coughing, vomiting
v. Spinal cord - carry information from the pns to the brain, carry information from brain to PNS vice versa, spinal reflexes