The nose senses what?
In: Biology
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A smell is made of molecules, your nose is filled with receptors that taste (for lack of a better word) these molecules as they come rushing in on the air when you sniff.
Sight and hearing are phisical senses, they perceive ‘vibrations’ (light frequency or air pressure waves)
Smell and taste are chemical senses, they perceive molecule density
The nose senses physical particles (called molecules) that came from the thing you’re smelling and are now floating in the air you breathe in. Inside your nose there are thousands of receptors, each with the specific shape to allow binding to a particular type of molecule. If one of those floats in and binds to the receptor, the receptor “activates” and sends a signal to the brain, meaning you “smell the smell”.
When you see someone pooping, light energy is bouncing off the poop and going into the light sensors in your eyes.
When you hear someone pooping, the poop plopping in the water vibrates the air and the vibrating air goes into the movement sensors in your ears.
When you smell someone pooping, bits of poop float through the air and go into the tiny bits of things sensors in your nose.
When you see poop you are seeing energy that bounced off the poop. When you hear poop you are hearing the air moving. But when you smell poop, you are actually detecting tiny bits of poop going into your nose.
There is no sense but touch.
Lightwaves touch your eyes, you see.
Sound waves vibrate your ear drums, you hear.
Microscopic particles of cow poo float through the air and up your nose…you smell.
Yeah. Every time you smell something awful? It’s because little particles of it are being inhaled by you. Fun, right?
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