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chapter41%20-%20neural%20regulation%20_1_%20for%20online%20_Recovered_

Chapter41%20-%20neural%20regulation%20_1_%20for%20online%20_Recovered_

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Neural Regulation Chapter 41
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Nervous System Evolution Radially symmetrical: Radial NS with interconnected neurons and no central control organ Bilaterally Symmetrical: Nerve cell concentration (ganglia) with specialization afferent, efferent nerves connect effector organ or muscle
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