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What are electric organs modified from?
Muscle tissue
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_______ are modified muscle cells or their motor endplates, multinucleated, flat on the innervated side and highly folded on the opposite side.
Electroplaxes
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_______ is made up of a series of electroplaxes.
Electric organs
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In ______________ myofibrils are lost.
Electroplaxes
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Functions of electric organs include:
- Navigation
- Species recognition
- Stun predators for protection
- Stun prey
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_______ are transducers of mechanical, electrical, thermal, chemical, and radiant energy.
Receptors
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________ receptors are widely distributed in the body.
General
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Where can special receptors be found?
Usually restricted to head region.
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What type of receptor is usually paired?
Special Receptors
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Somatic receptors include _________ and _________.
- External receptors
- Proprioceptors
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_______ receptors provide information about the external enviornment.
External
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What is the role of proprioceptors?
To provide information about skeletal muscle activity.
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____________ monitor internal enviornment.
Visceral receptors.
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