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In biological terms, an internal and external stimuli are distinguishable by the source. For instance, hunger triggers the need to eat. This is an internal stimuli, as the body is stating it needs food. An external stimuli would be feeling the pinch of the needle when donating blood, or feeling the effects of the sun in the form of sunburn.

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True or false. We respond to both external and internal stimuli?

True. Hunger is internal, a voice is external.


Explain how both external and internal stimuli are involved in your action?

The external stimuli involved are as follows: the eyes see the warm coloring of peach, the nose smells the scent of the ripe peach, and your salivary glands start releasing saliva to help dissolve the peach itself. The internal stimuli is mainly your brain, which processes all of this information that the other senses are sending, and sends, for lack of a better word, "spark" to your arm and hand so you can bring the peach toward your mouth and eat it.


What are the external senses and internal sense?

The External Senses are seeing, hearing, smelling, tasting and touching. The Internal Senses are common sense, memory (storage of information and retrieval of information), imagination and evaluation.


A mouse runs for cover in the presence of a cat the cat is an example of stimulus Innate Internal Learned External?

When a mouse runs for cover in the presence of a cat the cat is an example of an external stimulus. Mice have an innate fear of cats, but the cat itself would be an external stimuli.


What is an internal stimuli of an animal?

This is a very broad question, so a broad answer would be: Internal stimuli will most commonly be automatic reflexes triggered by external stimuli. Example, a drop in temp. will start shivering, cold is felt on the skin a nerve pathway is initiated to the brain triggering follicle stimulation and muscle spasming. Eating more acidic foods (external) will result in the organism producing more bicarbonate to neutralise the acid (internal).