CBP AP 4 Reflexes and senses SOUL

CBP AP 4 Reflexes and senses SOUL - CBP AP 4 Reflexes and...

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LR/CC/CBP Nerve Systems Voluntary L Controls skeletal muscle L Conscious commands L Reflexes Autonomic L Divided into 2 systems controlling internal organs L Sympathetic and Parasympathetic L Often work as pairs sending opposing messages
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LR/CC/CBP
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LR/CC/CBP Reflexes Protective local reactions Require fast motor responses to stimuli Need not involve brain Operate through ganglia in nearby spinal cord Classic knee-jerk stretch reflex L Activates stretch receptors in muscle L Sensory neurons pass through dorsal root ganglion L Motor neurons pass through ventral root
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LR/CC/CBP Reflexes Many reflexes help maintain posture Most reflexes include interneurons in the spinal cord Also send information to brain along ascending tract, receive responses along descending tract Withdrawal reflex common response to pain Crossed extensor reflex occurs to maintain balance when withdrawal reflex occurs
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LR/CC/CBP
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CBP AP 4 Reflexes and senses SOUL - CBP AP 4 Reflexes and...

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