Nervous System
Central Nervous System Consists of brain and spinal cord. Control center of the body Interprets and responds to information from the environment and from within the body
Peripheral Nervous System Sensory neurons Send information from sense organs Motor neurons Send commands from the CNS to muscles and other organs
Brain Stem Relay information throughout the CNS Play a role in in homeostasis by regulating vital functions Heart rate, breathing rate, body temperature, and sleep Hypothalmus Regulates endocrine system
Sympathetic Nervous System Physical and emotional stress Fight-or-flight response Increases blood pressure, heart rate, and breathing rate