animal & human sensory perception

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        TOK Essay – Perception – Henrik Rydh

The human body is only capable of experiencing a minuscule portion of the senses that exist. Our mind and body has evolved to provide us with the ability to hear, see, smell, taste and feel. Humans may be the only species that have such a varied and balanced skill of each of the five senses. Nonetheless, this advantage to other living beings can be seen as a disadvantage when compared to other their senses. The majority of living species on the Earth as we know it, are provided with the ability to use a combination of these senses. However, those that are further enhanced in using one sense often prove to perform less effective in their other senses. Humans have developed a body that appears to be fit to allow an equal distribution of skill in each of our five senses; other species of living organisms perform better in different senses. The consequences of performing differently in a different sense are what determine one’s ability to gain a certain type of information.

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        It is scientifically proven that dogs can hear sounds at frequencies inaudible to the human ear. It is also known that their noses can perform up to 150 times superior to the human nose. So? Dogs can smell better and hear better than us. But, would we give up the ability to taste our favorite food, chocolate, wine or sweet? That is an inability all dogs are born with; their tongues serve for nothing more than a cleaning tool. Dogs taste only a variety of tastes, but with their nose. Have you realized when you have a cold and your ...

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