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Questions and Answers
Questions and Answers
What is a sensory neuron?
What is a sensory neuron?
Transmits afferent impulses to the CNS.
What is an effector?
What is an effector?
An organ that responds to a stimulus.
What is the function of the integration center?
What is the function of the integration center?
Consists of one or more synapses in the CNS.
What is a receptor?
What is a receptor?
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What does a motor neuron do?
What does a motor neuron do?
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What are the five basic components of a reflex arc?
What are the five basic components of a reflex arc?
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What is a reflex?
What is a reflex?
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What is a reflex arc?
What is a reflex arc?
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What is the definition of an interneuron?
What is the definition of an interneuron?
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What is the skin's role in the reflex arc?
What is the skin's role in the reflex arc?
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Questions and Answers
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Study Notes
Study Notes
Reflex Arc Components
- Receptor: Site where a stimulus initiates a response, crucial for detecting environmental changes.
- Sensory Neuron: Transmits afferent impulses from the receptor to the central nervous system (CNS), enabling perception of stimuli.
- Integration Center: Comprises one or more synapses located within the CNS, where sensory input is processed and a response is formulated.
- Motor Neuron: Sends efferent impulses from the integration center to an effector, facilitating the execution of an action.
- Effector: An organ, such as a muscle or gland, that produces a reaction to a stimulus, completing the reflex arc.
Additional Concepts
- Reflex: An involuntary and automatic response triggered by a sensory stimulus, allowing for quick reactions to stimuli.
- Reflex Arc: The specific nerve pathway that governs reflex actions, highlighting the sequence from stimulus detection to motor response.
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