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The stimulus is detected by temperature or pain receptors in the skin. These generate impulses in sensory neurons. The impulses enter the CNS ( Central nervous system ) through a part of the spinal nerve called the Dorsal root.
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What is the first event associated with a reflex?
The receptor detects a stimulus.
An in voluntary action under a stimulus?
A reflex
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.
What is the difference between involuntary actions and reflex actions?
An involuntary action is a body process that occurs automatically regardless of external stimulus. In contrast, a reflex is an automated response to an external stimulus.
How is a reflex action different from a normal response to a stimulus?
It doesn't need to involve the brain.
Define reflex action?
Reflex action is an immediate response to a specific stimulus without conscious control. Spinal reflexes are controlled by the spinal cord. And the spinal cord and the brain are Reflex centres.Examples of reflex actions are scratching when your skin is itchy, the sudden blinking of the eye when a hand is waved in front of it, and also salivation when food is in the mouth.
What is the difference between involuntary action and reflex action?
Involuntary actions are movements or processes that occur automatically without conscious control, such as heartbeat or digestion. Reflex actions are quick, automatic responses to a stimulus that involve a specific neural pathway, like withdrawing your hand from a hot stove.
What part of in pupil reflex for stimulus?
The stimulus in the pupil reflex would be light
A rapid simple automatic response that involves few neurons is?
A reflex action is a fast, automatic response to a stimulus by an effector organ i.e. a muscle.
What is the term for an involuntary reaction to an external stimulus?
The term for an involuntary reaction to an external stimulus is a reflex.
What term describes a quick spontaneous automatic response to a stimulus that does not involve thinking about it?
The term reflex or phrase reflex action describes a quick spontaneous automatic response to a stimulus that does not involve thinking about it. It is controlled through the brain, but does not require thought.
The simplest response to a stimulus is a what?
A reflex
