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You get a motor response before your knowledge of danger to your body. simultaneously you know about the problem.
Ambrose Krajcik
Wiki User
∙ 12y agoThis is what happens:
- a receptor detects a stimulus (change in the environment)
- a sensory neuron sends a signal to the relay neuron
- the relay neuron sends the signal to the motor neuron
- the motor neuron sends a signal to the affected part
- the affected part produces a response
Wiki User
∙ 11y agoThe Reflex ArcIf you stand on something sharp then you move your foot very quickly. You don't have to think about it - it feels like it happens even before you feel the pain. This is because the process is a reflex and doesn't involve the brain.
Receptors and EffectorsThe diagram shows someone stepping on a drawing pin. Receptors in the skin of the foot will register the fact that this has happened and will send a signal along a sensory neuron to the spinal cord. Inside the spinal cord an interneuron will transfer the nerve signal to another nerve cell. This cell is a motor neuron and it carries the signal to the muscles in the leg. The leg muscles will contract and, hopefully, the foot will be moved away from the source of pain.Each of the nerve cells are separated by synapses.
The Patellar Reflex (or Knee-Jerk)You may have seen doctors on the television (or maybe it's happened to you) where they test someone's reflexes by tapping just under the kneecap (patella) with a small rubber hammer. If this spot is hit just right then it will cause some special sensory cells (called a muscle spindle) to send signals off to the spinal cord. The signal passes through the interneuron and then via a motor neuron to the quadriceps muscle. This causes the leg to kick forward.No matter how much you concentrate you cannot stop this from happening as it's a reflex action and doesn't involve the brain.
did you know ...The Latin name for the common limpet is Patellavulgata. This is because the shell of the limpet does look a bit like a kneecap.Wiki User
∙ 12y agoThis is what happens:
- a receptor detects a stimulus (change in the environment)
- a sensory neuron sends a signal to the relay neuron
- the relay neuron sends the signal to the motor neuron
- the motor neuron sends a signal to the affected part
- the affected part produces a response
Wiki User
∙ 11y agowhat do u mean it just happens why would u ask that when a ball comes toward you don't you blink and nothing else happens please think before you ask a question like that
Wiki User
∙ 9y agoIt is an involuntary movement in response to stimulus.This action occurs before the brain is aware . In another word,the nerves impulse does not send to brain but only spinal cord.
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Which reflex action happens when you see or smell nice food?
You begin to produce saliva in anticipation.
What controls reflex actions?
spinal cordautotomicspinal cord in the central nervous system controls reflex arc and reflex action.
What is the jump reflex?
Jump reflection is a a reflex action that takes place under the control of spinal cordand not the involvement of CNS. Eg. When we stamp on a nail or on an hot plate we immediately move the leg because of reflex action.
What is effector muscle for calcaneal reflex action?
gastrocnemius
Is a sneeze a reflex action?
Sneezing is a reflex action that occurs when a substance irritates the respiratory passages. An involuntary sneeze is initiated either to remove or dislodge the particular substance.
Which reflex action happens when dust gets into the trachea?
You simply cough.
Is sweating a reflex action?
No it is not a reflex action
Which reflex action happens when you see or smell nice food?
You begin to produce saliva in anticipation.
What part of the eye loses its reflex action first during inductions of anesthesia?
puplis
What is a difference between reflex and voluntary action?
The difference between reflex and voluntary action is that a reflex occurs naturally in response to some sort of stimulus and voluntary action is something that is consciously carried out. An example of a reflex action is gagging and an example of voluntary action is flinching when someone is going to hit you.
How and why do reflex arcs occur?
A reflex action is an action that happens almost instantly without conscious thought. Grasp a very hot handle of a saucepan on the stove, and you immediately release the handle to avoid further burning by reflex action.
What is the difference between conscious action and reflex action?
A reflex action is an action by which your body does subconsciously or naturally whereas a conscious action is an action that you intentionally respond and act towards.
How is a reflex action different from a action by hormines?
Reflex action is the instant reaction of our body while hormonial action takes more time to react
Explain what happen when your body get trow a reflex action?
The verb "trow" means to think or believe. That is a conscious action, not a reflex action.
Is reflex action and reflex arcs are same?
Reflexes are uncontrollable movements that happen almost instantly in response to a stimuli. A reflex arc, a neuronal circuit that controls reflexes, is where reflex activities takes place.
What are the ratings and certificates for Reflex Action - 2002 V?
Reflex Action - 2002 V is rated/received certificates of: USA:R
What are reflex arcs and reflex actions?
The reflex arc is the nerve pathway that the signal follows. For example, the knee jerk reflex arc has a stimulus going to an interneuron in the spine and a motor neuron completes the arc by causing the knee to jerk. A reflex is just the action itself.
