SCIENCE
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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darkness
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sunlight
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hunger
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rain
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Detailed explanation-1: -Stimulus is of two types, external and internal. Smell, sound, etc., are examples of external stimuli and hunger, thirst, etc., are examples of internal stimuli.
Detailed explanation-2: -Internal stimulus For example one of the internal stimuli is hunger which is the sign of low energy in the body. It stimulates us to eat something to regain the needed energy.
Detailed explanation-3: -Stimuli can be external or internal. An example of external stimuli is your body responding to a medicine. An example of internal stimuli is your vital signs changing due to a change in the body.
Detailed explanation-4: -Internal stimuli are changes inside an organism. They include hunger, thirst, and pain. If you feel hungry and look for food, you are responding to an internal stimulus-hunger. The feeling of thirst that causes you to look for water is another internal stimulus.
Detailed explanation-5: -Irritants. Sights. Smells. Sounds. Temperature changes. 16-Jan-2021