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The part of the reflex arc that carries out the motor response is the motor neuron. Once the sensory neuron detects a stimulus and transmits the signal to the spinal cord, the interneurons (if present) process the information and send signals to the motor neurons. The motor neurons then carry the response signal from the spinal cord to the effector organs, such as muscles or glands, resulting in the appropriate action or response.
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Which does not constitute part of a two-neuron reflex?
A two-neuron reflex typically involves a sensory neuron carrying information from a sensory receptor to the spinal cord, where it synapses with an interneuron. The interneuron then synapses with a motor neuron that carries the response signal to an effector organ, such as a muscle or gland. In this pathway, a third neuron would not typically be involved in a two-neuron reflex.
Is an effector of a skeletal muscle a somatic reflex?
Yes, the effector of a skeletal muscle is part of a somatic reflex. Somatic reflexes involve the contraction of skeletal muscles in response to a stimulus, and the effector in this case is the skeletal muscle itself that carries out the response.
What nerve acts as the afferent pathway in the pupillary reflex?
The optic nerve (cranial nerve II) carries sensory information about light intensity to the brain as part of the afferent pathway in the pupillary reflex.
Is Pulling your finger out of a fire a voluntary move?
Yes, pulling your finger out of a fire is typically a reflex response to avoid further injury. The body's natural response to pain and heat is to quickly remove the affected body part from the source of danger.
What is it when a stimulus to one part of the body causes a response in another part of the body?
This phenomenon is known as a reflex arc or a reflex action. It occurs when a stimulus, such as touching something hot, triggers a sensory nerve that sends a signal to the spinal cord, which then quickly sends a response through motor nerves to another part of the body, often resulting in an involuntary movement like pulling away from the stimulus. This process helps protect the body from harm by allowing for rapid reactions without the need for conscious thought.
How does effector relate to reflex arc?
An effector is a part of the body (such as a muscle or gland) that carries out the response in a reflex arc. In a reflex arc, when a stimulus is detected by a sensory receptor, a message is sent via a sensory neuron to the spinal cord, where it is processed, and then a message is sent via a motor neuron to the effector causing a response.
What is the part in reflex in the response?
Reflex action is your body's reflex against injury. It is needed in every part of your body.
Which does not constitute part of a two-neuron reflex?
A two-neuron reflex typically involves a sensory neuron carrying information from a sensory receptor to the spinal cord, where it synapses with an interneuron. The interneuron then synapses with a motor neuron that carries the response signal to an effector organ, such as a muscle or gland. In this pathway, a third neuron would not typically be involved in a two-neuron reflex.
Is an effector of a skeletal muscle a somatic reflex?
Yes, the effector of a skeletal muscle is part of a somatic reflex. Somatic reflexes involve the contraction of skeletal muscles in response to a stimulus, and the effector in this case is the skeletal muscle itself that carries out the response.
What is an automatic response that involves only part of an organism?
A reflex is an automatic response that only involves one part of an organism's body. Examples include the pupillary light reflex, patellar reflex and corneal reflex.
What is the automatic response that involves only a part of an organism?
reflex
What nerve acts as the afferent pathway in the pupillary reflex?
The optic nerve (cranial nerve II) carries sensory information about light intensity to the brain as part of the afferent pathway in the pupillary reflex.
How does reflex occur?
This is what happens:a receptor detects a stimulus (change in the environment)a sensory neuron sends a signal to the relay neuronthe relay neuron sends the signal to the motor neuronthe motor neuron sends a signal to the affected partthe affected part produces a response
What part of the motor neuron carries impulses to the muscle?
The axon, an elongated portion of the neuron, carries impulses to the muscles.
Is Pulling your finger out of a fire a voluntary move?
Yes, pulling your finger out of a fire is typically a reflex response to avoid further injury. The body's natural response to pain and heat is to quickly remove the affected body part from the source of danger.
What is it when a stimulus to one part of the body causes a response in another part of the body?
This phenomenon is known as a reflex arc or a reflex action. It occurs when a stimulus, such as touching something hot, triggers a sensory nerve that sends a signal to the spinal cord, which then quickly sends a response through motor nerves to another part of the body, often resulting in an involuntary movement like pulling away from the stimulus. This process helps protect the body from harm by allowing for rapid reactions without the need for conscious thought.
What part of the nervous system does a reflex initially skip?
A reflex initially skips the brain and is processed at the level of the spinal cord. When a reflex action occurs, sensory neurons transmit signals to the spinal cord, where interneurons relay the information directly to motor neurons, resulting in a quick response. This rapid pathway allows for immediate reactions to stimuli without the delay of routing signals to the brain for processing.
