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we have definitions for light, sound, heat which are giving sensation to human beings. In t he same way is there any definition for the smell and taste?

2006-06-18 05:09:02 · 6 answers · asked by sara_swathi m 1 in Science & Mathematics Physics

6 answers

Neural impulses...

2006-06-18 05:13:09 · answer #1 · answered by AnyMouse 3 · 0 0

The sense of smell is a chemical sense. This means that it works when molecules of the material being smelled actually enter the nose and settle into pits, analogous to the taste buds on the tongue. The chemical senses are the most primitive senses - they were the first senses to develop. A single celled organism might not be able to see, or feel, or hear, but it can detect the presence of chemicals in the environment. So, smell can be defined as the detection of molecules of a material in the environment through their direct contact with the "nasal placode":

2006-06-18 12:24:37 · answer #2 · answered by bluesman186k 1 · 0 0

"smell", in noun form, is defined as
1 : the property of a thing that affects the olfactory organs : ODOR
2 a : the process, function, or power of smelling b : the special sense concerned with the perception of odor
3 a : a very small amount : TRACE b : a pervading or characteristic quality : AURA
4 : an act or instance of smelling
synonyms SMELL, SCENT, ODOR, AROMA mean the quality that makes a thing perceptible to the olfactory sense. SMELL implies solely the sensation without suggestion of quality or character . SCENT applies to the characteristic smell given off by a substance, an animal, or a plant . ODOR may imply a stronger or more readily distinguished scent or it may be equivalent to SMELL . AROMA suggests a somewhat penetrating usually pleasant odor .

smell is the sense that is most closely linked to memory. when you smell something, there is actually a small molecule of that in your nose. so if you smell dog poo, there is poo in your nose.

2006-06-18 12:18:20 · answer #3 · answered by Anonymous · 0 0

Sorry, smell is not an energy. Smell is your nose detecting certain molecules in the air. These molecules travels through the air via dispersion or air currents. Of course, you can smell things that's not dispersed in the air by putting your nose right up to it.

BTW, the definition of energy is "the capacity to do work", not "the ability to give sensations".

2006-06-18 12:24:50 · answer #4 · answered by PhysicsDude 7 · 0 0

its just a particle that stimulate your nerve impulses when it gets close to your nose, and your brain picks it up and turns it into smell, same way that dust makes your nose itch or make you sneeze, same thing for taste, but not the dust part xD

2006-06-18 12:42:17 · answer #5 · answered by tonyma90 4 · 0 0

Smell is the result of objects shedding cells that have an odor.

2006-06-18 12:13:33 · answer #6 · answered by Sarrah 5 · 0 0

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