Question

what is a stimulus?How is it related to response? ​

Answer 1

Answer:

Any external change done to our body is called stimulus and the reaction against that change is called as response.

Answer 2

Answer:

Stimulas is a thing or event that evokes a specific functional reaction in an organ or tissue.

The simplest type of response is a direct one-to-one stimulus-response reaction. A change in the environment is the stimulus; the reaction of the organism to it is the response. In single-celled organisms, the response is the result of a property of the cell.

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