Reflex Action and Reflex Arc

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Vocabulary-style flashcards based on lecture notes covering the mechanics, types, and control centers of reflex actions and their arcs.

Last updated 9:41 PM on 7/20/26
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8 Terms

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Reflex-Action

The Spontaneous, sudden, rapid- involuntary & autonomic response to any stimuli.

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Purpose of Reflex-Action

Body effectors respond rapidly to prevents from damage.

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Examples of Reflex-Action

Knee-jerk, blinking of eyes, withdrawal of hands from hot objects/pin/needle.

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Control Centers

The spinal cord or medulla Oblongata.

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Reflex Arc

The path followed by reflex-action.

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Involuntary Action Relationship

All reflex activities are involuntary but All involuntary action are not reflex action.

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Mono Synaptic

A reflex path involving I. Neuron, for example the Knee-jerk.

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Bi-synaptic or Poly Synyste

A reflex path involving many synapses, for example the withdrawal of hands from fire.