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Questions and Answers
Questions and Answers
What is a receptor?
What is a receptor?
A receptor is a specialized cell or structure that detects and responds to specific stimuli.
What is a sensory neuron?
What is a sensory neuron?
A sensory neuron is a type of neuron that carries sensory information from receptors to the central nervous system.
What is a spinal nerve?
What is a spinal nerve?
A spinal nerve is a mixed nerve that transmits sensory and motor signals to and from the spinal cord.
What is an interneuron?
What is an interneuron?
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What is a motor neuron?
What is a motor neuron?
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What is an effector?
What is an effector?
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Questions and Answers
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Study Notes
Study Notes
Reflex Arc Components
- Receptor: A specialized cell or structure that detects changes in the environment (stimuli) and converts them into electrical signals.
- Sensory Neuron: Transmits sensory information from the receptor to the central nervous system (CNS), facilitating the reaction process.
- Spinal Nerve: A mixed nerve that carries both sensory and motor information to and from the spinal cord; connects the CNS to the peripheral nervous system.
- Interneuron: A type of neuron that connects sensory and motor neurons within the CNS; plays a key role in reflex actions and processing information.
- Motor Neuron: Relays signals from the CNS to effectors, enabling movement or action in response to stimuli.
- Effector: Any organ or cell that responds to signals from motor neurons; typically includes muscles or glands that carry out the response.
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