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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Nervous system |
Communication network within the body |
Communication network within the body |
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Central nervous system (CNS) |
Brain and spinal cord; coordinates activity of the body |
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Peripheral nervous system PNS |
Nerves connecting to the rest of the body from CNS |
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Somatic peripheral subdivision |
Serves outer areas of the body and skeletal muscles; voluntary |
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Autonomic peripheral subdivision |
Involuntary systems example heart, digestion |
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Nervous system functions |
Sensory, integrative, motor |
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Parasympathetic autonomic subdivision |
Decreases activation during rest and recovery |
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Sympathetic autonomic subdivision |
Increases activation to prep for activity |
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Neuron |
Functional unit of the nervous system |
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Motor neuron efferent |
Transmit nerve impulses from the CNS to effector sites |
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Sensory neurons afferent |
Respond to stimuli; transmit nerve impulses from effector sites to CNS |
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Mechanoreceptors |
Sense distortion in body tissues |
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Joint receptors |
Respond to pressure, acceleration, and deceleration of joints |
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Golgi tendon organs (GTO) |
Sense changes in muscular tension |
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Muscle spindles |
Sense changes in muscle length |
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