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Lab Exam #2
Terms in this set (23)
Central Nervous System
Made up of the brain and spinal cord
Peripheral Nervous System
Made up of nerves
Nerves originating from or traveling to the brain. 12 pairs.
Nerves originating from or traveling to the spinal cord. 31 pairs.
Involves gathering information about the internal and external environments of the body.
Analyze and interpret the detected sensory stimuli and determine an appropriate response.
The actions performed in response to integration.
Somatic Sensory Division
Consists of neurons that carry signals from skeletal muscles, bones, joints, and skin. Also includes transmitted signals form the organs of vision, hearing, taste, smell, and balance.
Visceral Sensory Division
Consists of neurons that transmit signal from organs such as the heart, lungs, kidneys, intestines, and urinary bladder.
Organs that carry out the effects of the nervous system.
Somatic Motor Division
Consists of neurons that transmit signals to skeletal muscles.
Autonomic Nervous System
Consists of neurons that carry signals primarily to thoracic and abdominal viscera.
Cell type responsible for sending and receiving signals in the form of action potentials.
Receive input form other neurons, which they transmit int he form of electrical impulses towards the cell body.
Processes tha tgenerate and conduct action potentials.
Have a single axon and multiple highly branched dendrites.
Has one axon and one dendrite.
Begin as bipolar neurons, but their two processes fuse to give rise to a single axon.
Carry signals towards the central nervous system; detect internal and external environments.
Relay messages within the CNS and are the location of most information processing.
Carry stimuli away from their cell bodies in the CNS to muscles and glands.
Clusters of cell bodies in the PNS
Maintain the environment around neurons, protect them, and assist in their proper functioning.
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