The Automatic reaction that do not need thinking
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Explanation:
automatic reaction because we move the body and anything so automatically every two things
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Answer:
Human spinal cord has an automatic reaction to external stimulus and does not require thinking.
Explanation:
An instantaneous movement that is involuntary is known as the reflex action, and this occurs as a result of an external stimulus. Our brains along with the spinal cord are responsible for the carrying out of these reflex movements.
When a sudden bright light is witnessed, the size of the pupil gets smaller and this is an example of the reflex action. Also, when a pin is pricked an involuntary automatic response occurs in our hands or legs and this too is a reflex action.
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