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Published byWilliam Wiggins Modified over 9 years ago
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Nervous System
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What is the main function of the nervous system? to receive stimuli from inside and outside the body to interpret the stimuli initiate responses for survival
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What are the major organs of the nervous system? Brain Spinal cord Peripheral nerves
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Brain An organ of the central nervous system, which has three distinct parts that all serve to control and coordinate the activities of the body.
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What are the 3 parts of the brain? cerebrum - controls thoughts, voluntary actions, & the sensations related to the five senses. cerebellum - helps with balance & coordination. brain stem - is located at the base of the brain and controls vital and involuntary processes (for example, breathing, the beating of the heart, and digestion).
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3 parts of the brain
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Spinal Cord A bundle of nerves that begins at the brain stem and continues down the center of the back through the vertebrae. It connects with the peripheral nerves.
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What are the Peripheral Nerves? A network of nerves that branch out from the spinal cord They connect to the rest of the body and transmit signals to and from the brain through the spinal cord.
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Neuron Structure Cell Body Dendrites Axon Axon Tips Nucleus
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Nerve Cells Aka – Neurons
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Neuron Types
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Synapse In order for nerve impulses to be carried, they have to cross the synapse. Dendrite Synapse Axon Tip Neurotransmitter
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Review What are the major functions of the nervous system? What are the 3 major organs in the nervous system? Which part of the brain controls thought? Which part of the nervous system control arms and legs?
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BrainPop: –Brain –Spine –Neuron –Nervous system
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