Name: _____________________________ Date: ______________________ Period: ______ NOTE TAKING GUIDE What is the Nervous System? Consists of Nerves: ____________________________________ Nerve impulses: _________________________________________________ Neuroglial cells: ____________________________________________________ Divided into the ______________________________ (CNS) and ____________________________________________ (PNS) CNS consists of _____________and ___________________ PNS consists of ___________________________ What Are the Functions of the Nervous System? _________________ functions: internal and external changes __________________ functions: decision maker __________________ functions: carries out function What is a Neuron? _________________________ and _______________________ units Transmits information in electrochemical form Every neuron includes a _______________: rounded area with two extensions _______________: receive electrochemical messages _______________: send information in nerve impulse form How are Neurons Classified? Neurons differ in _____________________, ______________, and ________________ of their cell bodies Neurons also vary in function such as: Sensory Interneurons Name: _____________________________ Date: ______________________ Motor 3 major groups ___________________________ _________________________ __________________________ Sensory Neurons ________________ neurons Carry impulses to __________ Dendrites have specialized tips Changes inside or outside body _______________ sensory nerves Most unipolar; some bipolar Interneurons Also known as association or internuncial neurons Lie within the _______________________________________ __________________ neurons Link to other neurons Transmits impulses from _________________ of the brain/spinal cord to _________________ _____________ incoming sensory impulses Motor Neurons _____________ neurons Multipolar Carry nerve impulses _____________ the brain/spinal cord to effectors Stimulates ____________________ and ________________________ Causes reactions What is a Synapse? The junction between any two __________________________ neurons Period: ______ Name: _____________________________ Date: ______________________ Period: ______ Not in direct _________________ contact separated by synaptic cleft Synaptic transmission is a _________ __________ process, like a phone call Neurotransmitters carry out synaptic transmission Frontal Lobe Location: ________________ and _________________ area of the cortex Function: Carries out higher mental processes ______________________ ______________________ _______________________ _______________________ Parietal Lobe Location: Upper, ____________ part of the cortex Function: Processes sensory information _____________________ _____________________ _____________________ Occipital Lobe Location: _____________, back part of the cortex Function: Responsible for processing _______________ ____________________ from the eyes Temporal Lobe Location: Bottom _______________ part of the cortex; behind the temples Function: Responsible for processing _________________ information Cerebellum Location: ______________ area of the brain Function: Responsible for __________________ and coordination of the body Medulla Oblongata Name: _____________________________ Date: ______________________ Location: Lower part of the _____________________ Function: Carries out and regulates life sustaining functions ________________ ________________ _________________ Period: ______ The Difference Between CNS and PNS CNS PNS What is the Autonomic Nervous System? Portion of PNS that functions ________________________ without a conscious effort Controls _____________ _____________ _____________ _______________ ________________ Name: _____________________________ Date: ______________________ Period: ______ Regulates ___________ _____________ ______________ ____________________ __________________ ______________ _________________ __________________________ What is the Difference Between Sympathetic and Parasympathetic? Sympathetic Parasympathetic What are the Human’s Somatic Senses? Touch and _________________ Temperature Free ends of sensory nerve fibers ________ sets of free nerve endings Pain Two main types of pain fibers ________________ _______________ Relationship Between Sense of Taste and Smell Chemicals in food are detected by ______________ ___________ Odorants are detected by _________________ _________________ located in the nose Olfactory information passes to the orbital cortex The combination of __________ and _____________ information helps create the perception of flavor