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an impulse follows a path called as reflex arch pathway.

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โˆ™ 2011-05-12 02:22:08
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Q: What is the correct path travel for an impulse from the receptor to the effector in a reflex action?
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What is the sequence of events in a reflex action?

receptor, sensory neurone, CNS, motor neurone, and effector


A reflex that does not pass through the brain is termed as?

Simple, unconditioned or natural reflexes do not involve the brain. These reflexes occur when a receptor that goes to the spinal cord is stimulated by an impulse or effector. The effector neuron sends a response to the muscle or the gland thus causing an instant action. An example of this type of action would be when you blink your eye due to strong light.


What are the three types of neurone involved in a reflex action?

The three types of neurons are sensory(afferant) neurons, interneurons, and motor(efferant) neurons. Sensory, or afferent, neurons send information from the receptor to the central nervouse system. Interneurons, found only in the central nervous system, play the role of interpretting the impulse. The motor, or efferent, neurons send the information from the central nervous system to the effector. Receptor->sensory neuron->interneuron->motor neuron->effector.


What does an organism react to stimulus with?

For an instant, unlearned response, it does it with its reflex arc, which is made of 5 elements- (i)a receptor- a sensory organ, like an eye, ear, tongue or touch corpuscle (ii)sensory neuron, (iii)a coordinator neuron, (iv) a motor neuron and (v)an effector which normally is a muscle-either involuntary smooth or voluntary striped muscle. A receptor receives the stimulus, a sensory neuron carries the impulse in the form of an electric impulse, a coordinator neuron takes the necessary suitable action, a motor neuron carries the decision to the effector and finally the effector brings out suitable response. Lower animals lack an organized nervous system, but still the mechanism is more or less similar.


What is effector muscle for calcaneal reflex action?

gastrocnemius

Related questions

What is the sequence of a simple reflex action?

Receptor; Effector


What is the sequence of events in a reflex action?

receptor, sensory neurone, CNS, motor neurone, and effector


A reflex that does not pass through the brain is termed as?

Simple, unconditioned or natural reflexes do not involve the brain. These reflexes occur when a receptor that goes to the spinal cord is stimulated by an impulse or effector. The effector neuron sends a response to the muscle or the gland thus causing an instant action. An example of this type of action would be when you blink your eye due to strong light.


How does the reflex action help maintain homeostasis?

Homeostasis works as a negative feedback mechanism, which is a kind of reflex action. When the body detects changes in external/internal environment, the receptor will generate a nerve impulse to the coordination centre and then make a response through effector. This is a reflex arc.


What is a similarity between a reflex action and a voluntary action?

Both require motor neurones to carry the nerve impulse to the effector in order for the muscle to contract carry out an action.


What are the three types of neurone involved in a reflex action?

The three types of neurons are sensory(afferant) neurons, interneurons, and motor(efferant) neurons. Sensory, or afferent, neurons send information from the receptor to the central nervouse system. Interneurons, found only in the central nervous system, play the role of interpretting the impulse. The motor, or efferent, neurons send the information from the central nervous system to the effector. Receptor->sensory neuron->interneuron->motor neuron->effector.


What does an organism react to stimulus with?

For an instant, unlearned response, it does it with its reflex arc, which is made of 5 elements- (i)a receptor- a sensory organ, like an eye, ear, tongue or touch corpuscle (ii)sensory neuron, (iii)a coordinator neuron, (iv) a motor neuron and (v)an effector which normally is a muscle-either involuntary smooth or voluntary striped muscle. A receptor receives the stimulus, a sensory neuron carries the impulse in the form of an electric impulse, a coordinator neuron takes the necessary suitable action, a motor neuron carries the decision to the effector and finally the effector brings out suitable response. Lower animals lack an organized nervous system, but still the mechanism is more or less similar.


In this reflex action the muscle acts as the ....?

Effector


How does the human reflex system work?

An impulse starts when a receptor picks up a stimulus. (eg. touching a hot pan-stimulus=heat or hot pan, and the receptor=skin, but not the hand because the receptor can only be a sense organ) The stimulus travels through and impulse through three sets of nuerons. First, the sensory nuerons, then internuerons found in your brain and spinal cord, and finally motor nuerons, found in muscle cells. However, in a reflex the response is faster, so it goes from your senses, just to your spinal cord, and down to the motor nuerons. In the motor nuerons,the effector (the body part moving) does the action that the impulse tells you to do (in this case moving your hand away from a hot pan).


How The Nervous System Functions In This Reflex Action?

Firstly your receptor cells pick up a stimuli and sends an electrical impulse along the sensory neurone's axon to the spinal cord.the impulse is then passed onto the relay neurons IN the CNS(the spinal cord decides what to do but the brain is also informed). The relay neurone then passes the command from the spinal cord in the form if an impulse to the motor neurone.the impulse travels along its axon to the effector. Hope it helps P.S. •relay neurones exist only within the CNS and not outside it. •reflex arcs take the shortest possible route


What is effector muscle for calcaneal reflex action?

gastrocnemius


What sense organ goes to the spinal cord before the brain?

This mainly happens in the case of a reflex action. The spine receives the information from the receptor and gives commands to the effector a fraction of a second before the brain registers the action. This happens only with the sense of touch

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