34 - the nervous system.notebook - the nervous system.pdf · a receptor is a cell or group of cells...
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34 The Nervous System.notebook
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Chapter 34 The Nervous System
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There are 2 types of nerves,1. Sensory Nerves messages from nerves to the brain.2. Motor Nerves messages from brain to the muscles.
The Nerves
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Nerve Endings
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Transmitters
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The Brain
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Parts of the Brain
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Disorder of the Nervous System
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The Spinal Cord
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The Reflex
The reflex arc is whena message is sent to
the spine. The message is so strong that the arm is told to move by the
spine before the brain has received and processed the message.