What do you call an action taken as a result of a stimulus?
Answers
Answer:
We will call it as reaction or response or simply Reflex action
Answer:
The action taken by a body as a result of stimulus is known as Reflex action.
Explanation:
Reflex action is a sudden and involuntary response to stimuli. It enables organisms to quickly adapt to a hazardous situation that could result in bodily harm or even death. A classic example of a reflex action is pulling our hands away from a hot or cold object.
A stimulus is a detectable change in the physical or chemical structure of an organism's internal or external environment. The ability of an organism or organ to detect external stimuli and respond appropriately is referred to as sensitivity (excitability).
When an afferent neuron receives a signal from a sensory organ, it sends the impulse to the Central Nervous System via a dorsal nerve root. The signal is then carried from the CNS to the effector by the efferent neuron. As a result, the stimulus creates a reflex arc.
The signals in a reflex action are directed into the synapse in the spinal cord rather than the brain, resulting in an almost instantaneous reaction.
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