Question

what is raflex action ? why are they called automatic actions?
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Answer 1

Answer:

These different types of neurons work together in a reflex action . A reflex action is an automatic (involuntary) and rapid response to a stimulus, which minimises any damage to the body from potentially harmful conditions, such as touching something hot.

Answer 2

Answer:

A reflex action is an automatic (involuntary) and rapid response to a stimulus, which minimises any damage to the body from potentially harmful conditions, such as touching something hot.

they are called automatic actions because their reactions are always immediate and sudden. They happen without much of a thinking proces

A few examples of reflex action are :-

Coughing or sneezing, because of irritants in the nasal passages.

Sudden withdrawal of hand or leg when pricked by a pin.

The sudden removal of the hand from a sharp object.

Sudden blinking when an insect comes very near to the eyes.

When light acts as a stimulus, the pupil of the eye changes in size.

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