4. In the following statements, identify the stimuli and responses. a) In a school, students come out of the classrooms when the recess bell rings. b) A cat running away after hearing a loud sound c) At the sight of food on a plate, your mouth waters. d) A plant wilting on a hot day Before giving a speech, you get 'butterflies' in your stomach.
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A and B statements are responses whereas statements C and D are stimuli.
Explanation: Stimuli means an action of our body in response to tissues or organs. Response means the reaction of our body to an action shown by an external environment.
1. In statement A the reaction of children can be seen as after the bells action.
2. In statement B the reaction of a cat when it hears the sound externally and runs away.
3. In statement C the mouth-watering thing is the response of tissue so it is a stimulus.
4. In statement D the wilting refers to drying off of the plants. It is the stimulus of the internal tissue.
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