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Nervous System Anatomy Senses - Essay Example

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While taste can be perceived as bitter, sweet, sour etc., it is smell which makes a person like food or not. When we consume food, odor molecules travel to olfactory receptor between nose and mouth. When food is cold, the olfactory receptor fails to identify the smell of it…
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Nervous System Anatomy Senses
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Q1. Describe the relationship between taste and smell. A. While taste can be perceived as bitter, sweet, sour etc., it is smell which makes a person like food or not. When we consume food, odor molecules travel to olfactory receptor between nose and mouth. When food is cold, the olfactory receptor fails to identify the smell of it and humans cannot seem to figure out what they eat. Q2. Describe a blind spot or optic disc.A. Corresponding to the position of an optic disc, blind spot is a minute portion of the visual field of human eye within the retina.

This area cannot detect any images as it does not have any photoreceptors (Dean, Rosen, Mathe, Bjur and Parrish-Taylor, 2009).Q3. Explain the origin of visual afterimages.A. An afterimage can be explained as a false image perceived by the human eye when the person shifts away his view from the object or image but can still see it for a fraction of a second. The origins of visual after images are believed to be lag in the sensory nerves of the human beings to register quick visual changes in the surroundings.Q4. Describe the relationship between hearing and balance. A. Hearing and balancing are inter related as ears not only control hearing but also balance; therefore any hearing deficiency can lead to problems with balancing.

Problems with hearing can result in failure to register movements, which can eventually create issues with balance.ReferenceDean, C., Rosen, S., Mathe, E., Bjur, M., Parrish-Taylor, C., & Films for the Humanities & Sciences (Firm). (2009). The nervous system and the senses. Hamilton, NJ: Films for the Humanities & Sciences.

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