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Take out your HW Complete the Concept Map handout – side 1 only!
HW: Mint Ice Cream reading and questions. Current Events # 25 – 28 on Friday. Do Now: /12/16 Take out your HW Complete the Concept Map handout – side 1 only!
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How the Nervous System Works HW
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Axon Tip (Terminal) Synapse Dendrite Axon response nerve nerve impulse stimulus neuron (or nerve cell)
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Interneurons Environment
a. ______________ Neurons consists of three types Interneurons c. ______________ b. ______________ Motor Neurons Sensory Neurons send impulses to send impulses to send impulses from d. ______________ e. ______________ Environment Motor Neurons Muscles or glands
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F A E D B C
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Any change or signal in the environment
Reaction to a stimulus Automatic response without conscious control Removes unneeded substances Tearing up The brain/spinal cord A receiver of messages A pathway of responses Blinking Sneezing/tearing Jump/Scream Letting go
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Nervous System Notes A. The Central Nervous System (CNS)
Main control center of the nervous system Made up of the Brain and Spinal cord
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Label the parts of the nervous system
Cerebrum Cerebellum Medulla Spinal cord Spinal nerves
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Cerebrum Voluntary functions
Cerebellum Balance and coordination Medulla/brain stem Involuntary (Automatic) functions Spinal cord Passageway for CNS Spinal nerves Bundles of neurons/nerve fibers
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B. Parts of the Brain and Some Functions
and coordination Cerebrum: Voluntary activities such as… Cerebellum: Muscular activities such as… Medulla: Involuntary activities such as…
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C. Left and right sides of the brain
control the opposite parts of the body!
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Spinal Cord Link between the brain and the nerves in your body. Protected by watery fluid and bones (the vertebral column)
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The Peripheral Nervous System (PNS)
Made up of the nerves and connects to the CNS (Central Nervous System) Cerebrum Central Cerebellum Medulla Peripheral Spinal Cord Spinal Nerves
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B E A C D
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The Story of Phineas Gage
4 min. link: Original Link 5 min.: Alan Alda
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The Brain explains…..THE BRAIN!!
1 min. link.
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Closure: List at least 3 functions that your brain controls
(Think about what your body does each day). Two MRI scans of the brain
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