If something does get trapped in there, you can probably guess what happens next. You sneeze. Sneezes can send those unwelcome particles speeding out of your nose at mph! Further back in your nose are even smaller hairs called cilia say: SILL-ee-uh that you can see only with a microscope. The cilia move back and forth to move the mucus out of the sinuses and back of the nose. Cilia can also be found lining the air passages, where they help move mucus out of the lungs.
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The nose allows you to make scents of what's going on in the world around you. Just as your eyes give you information by seeing and your ears help you out by hearing, the nose lets you figure out what's happening by smelling. It does this with help from many parts hidden deep inside your nasal cavity and head. Olfactory is a fancy word that has to do with smelling. The olfactory epithelium contains special receptors that are sensitive to odor molecules that travel through the air.
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These receptors are very small — there are about 10 million of them in your nose! There are hundreds of different odor receptors, each with the ability to sense certain odor molecules.
Research has shown that an odor can stimulate several different kinds of receptors. The brain interprets the combination of receptors to recognize any one of about 10, different smells. When the smell receptors are stimulated, signals travel along the olfactory nerve to the olfactory bulb. The olfactory bulb is underneath the front of your brain just above the nasal cavity.
Signals are sent from the olfactory bulb to other parts of the brain to be interpreted as a smell you may recognize, like apple pie fresh from the oven. Identifying smells is your brain's way of telling you about your environment. Search WorldCat Find items in libraries near you. Advanced Search Find a Library. Refine Your Search Year. Displaying Editions 1 - 8 out of 8.
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How many senses do we have? – Johns Hopkins University Press Blog
A tour of the senses : how your brain interprets the world. Discover the difference between what helps you hear, and what makes you listen. Your senses flood your brain with information—how can you pay attention to it all? Find out what helps you focus—and why our eyes and ears jump to certain things.
A Tour of the Senses How Your Brain Interprets the World
To balance, your brain performs its own balancing act with the information you see, feel, and sense with the organs in your inner ears. Find out what happens when these streams of information clash. They also come from your brain. Explore how your brain pieces together scraps of information from your sensory organs, and then fills in the gaps from memory. Find out how complex your touch system really is.
Decoding mixes of molecules is what your nose is doing all day—and your brain is linking aromas to memories to help you recognize familiar scents. Humans have an advantage: we can extend our senses with technology, using tools to detect things our bodies cannot sense. Our Senses: An Immersive Experience main content.
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