Involuntary action

An involuntary action is one which occurs without the conscious choice of an organism. If it occurs specifically in response to a stimulus, it will be known as a reflex.

Involuntary actions are opposite of voluntary actions that occur because of choice. Involuntary actions may or may not occur with the awareness of the organism performing it.

单词	Involuntary behavior
释义	Involuntary behavior 英语百科 Involuntary action An involuntary action is one which occurs without the conscious choice of an organism. If it occurs specifically in response to a stimulus, it will be known as a reflex. Involuntary actions are opposite of voluntary actions that occur because of choice. Involuntary actions may or may not occur with the awareness of the organism performing it.
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Involuntary behavior

Involuntary action