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laylaypawnervoussystem (sense (stimulus type (Thermoreceptor - respond to…
laylaypawnervoussystem
sense
stimulus origin
exteroceptors- respond to stimuli outside of the body. located at the body of surface and it including touch, prussure, pain and temperature in the skin.
interoceptors - respond to stimuli from inside of the viscera. it located at the digestive tube, bladder and lung. you will feel pain, nausea, hungry or full.
proprioceptors - locate at skeletal muscles, tendons, joint, and ligaments. it locomotory organdand send input to the body movement.
stimulus type
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mechanoreceptor - respond to mechanical force touch, pressure, stretch and vibration.
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nervous system
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somatic division
a receptors are spread widely throughtout the outer tube of the body which is skin and body wall which you will fell pain, pressure, vibration and temperature also somatic is a voluntary nervous system.
autonomic division
control the function of visceral organ which is conserves energy and promotes house keeping function during test and it an involuntary nervous system.
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neuron
major component
cell body is also call soma and it has nucleus which contain nucleolus. chromatophilic substance is contain cytoplasm and it cluster of rough ER and ribosome that stain darkly. dendrites is the receptive sites that signals from other neurons in to cel body. axon hillock
structural type
bipolar neurons
have two processes that are opposite side of the cells body. they are rare and it can be only found at inner ear, olfactory epithelium of the nose, retina of the eyes.
multipolar neurons
have more than two processes which are dendrites and single axon but since there are some small multipolar neurons have no axon and rely strictly on the dendrites for signal .
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