Introduction to the Nervous System

Learning Objectives Explain the function of the nervous system Describe the components of the central nervous system (CNS)

Nervous System Network of nerve cells and fibers which transmits nerve impulses between parts of the body

Parts of the Nervous System Central Nervous System (CNS): Brain and Spinal Cord Peripheral Nervous System (PNS) : The rest of the nerves in the body

The Brain Located in the cranial cavity of the skull Responsible for all thoughts and movement that the body produces

Spinal Cord Spinal cord – long, tubular bundle of nerves that extend from the brain stem to lumbar region

PNS Connects the central nervous system to the rest of the body

Measuring Your Dumbness YouTube Measuring Your Dumbness With a Ruler

How the Nervous System Works YouTube How the Nervous System Works

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How do they work together? Peripheral nerves connect the central nervous system to the rest of the body

Function of the CNS Relays messages, processes and analyzes information

Brain Lateralization Left Brain: Controls right side Logic/Reasoning Math skills Science skills Language Critical thinking Objectivity Analytical Right Brain: Controls left side 3-D shapes Music Art Intuition Creativity Emotion Facial recognition