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What kind of reflex has only two neurons?

monsynaptic reflex arcs


What is reflex arcs?

Please restate this question for clarification...


Which reflex arcs contain no association neuron?

The patellar reflex is an example of a 2-neuron reflex arc. It has 1 sensory neuron and 1 motor neuron. It does not contain an association neuron and so is considered the most simple reflex in humans.


Why are reflex arcs important?

to protect our body from harmful stuff.


Does visceral reflex arcs have two sensory neurons?

No, it has 2 visceral motor neurons. A visceral reflex has a receptor, a sensory neuron, a processing center, and 2 visceral motor neurons.


How do visceral reflex arcs differ from somatic?

An autonomic reflex arc is similar to the somatic kind, but differs principally in the motor output side. The sensory side is similar in that a transducer sends a signal via a nerve fiber into the CNS. As with the somatic arc, this sensory fiber is associated with a pseudo-unipolar neuron in a craniospinal ganglion, usually one of the dorsal root ganglia. In the autonomic arc, the sensory transducer is often located in or associated with visceral organs.


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 kind of reflex uses just two neurons?

The patellar reflex, commonly known as the knee-jerk reflex, uses just two neurons. When the patellar tendon is tapped, a signal is sent along a sensory neuron to the spinal cord, which synapses with a motor neuron to trigger the contraction of the quadriceps muscle and extend the leg.


What are two different types of angles?

acute, right, obtuse and reflex


How do autonomic nervous system reflex arcs work?

ANS reflex arcs are stimulated by input from sensory or visceral receptors. The signals are processed in the hypothalamus (or regions of the spinal cord) and target effector control is then regulated via myelinated preganglionic neurons


What are the different types of dispersion halos?

The two main types of dispersion halos are circular halo, which forms a ring around the sun or moon, and the parhelia or sundogs, which are bright spots seen at a 22-degree halo around the sun. Other less common types include tangent arcs, upper tangent arcs, circumzenithal arcs, and supralateral arcs.


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.