Because a Little Bug went Ka-Choo! By: Rosetta Stone

Episode 99 – Because a Little Bug went Ka-Choo!

Because a Little Bug went Ka-Choo!

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Sneezing [Show Notes]

Episode 98 – Sneezing

 

Sneezing is very forceful in your body.

Review:  the inside of your nose is covered with mucous membranes, and that mucus traps up things so they don’t get into your lungs.

Some little particles float through the air and into your nose.  They will land on those mucous membranes and irritate it.  That irritation sends a signal to your sneeze center of your brainstem.

*Callback:  Brainstem*

The sneeze center sends out several signals.  One goes to your diaphragm to tell it to compress the lungs to force the air out.  Another signal goes to your tongue to have it direct the air through your nose.  The last signal goes to your eyes – it is really true, you can’t sneeze with your eyes open.

So your abs contract and your diaphragm forces your lungs to exhale, your tongue directs the air to go out your nose, so the mucus plus the things that irritated your nose flies out of your face.

*Mythbusters sneezing*

The proven statistics on sneezes is that they travel about 40 mph but only go about 20 feet.

Holding in a sneeze can be painful and damaging.  By holding in all that air, you can rupture your eardrums, damage your tear ducts in your eyes, fracture your nasal cartilage or bones, or cause nose bleeds because of the blast against your sinus passages.

There’s so many tricks about trying to stop a sneeze – most of them involve counter-pressure on other spots on your face or body.

The best advice for stopping a sneeze is to blow your nose to get out the irritants before the body blasts it out with a sneeze.

You will never ever sneeze when you’re sleeping.  So morning sneezing fits are normal for a lot of people.  This is because all the dust and stuff you breathe in while you’re sleeping finally irritates your body.  So morning congestion and sneezing is normal to help clear all of that out.

We’re unsure why people will sneeze in other situations like sudden exposure to bright light or changes in air pressure or temperature.  Another unsual trigger is an over-full stomach.  Multiple people have reported they feel nauseous and once they sneeze, the sick feeling goes away.  I dunno….

If you do have to sneeze, make sure you cover your face.  Use the elbow technique!

*Mythbusters hanky*

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“Radio Martini” Kevin MacLeod (incompetech.com)  Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0/

Nose Issues [Show Notes]

Episode 96 – Nose Issues

Issues that cause your breathing to fail:
– Allergies – congestion
– Viruses – congestion
– Deviated septum – the septum (the bone that separates the nasal cavity and divides your nostrils) can get crooked and change the size and access of the nostrils or nasal cavity.  Can be from trauma, or may gradually get crooked from chronic pressure
– Turbinate Hypertrophy – over-growth of tissue covering the turbinates (tissue-covered bones that add warmth and moisture to the air you breathe); can lead to snoring.  May be treated by steroid nasal sprays or surgery to remove extra tissue.
– Nasal Polyps – uneven overgrowth of mucus membranes (symptoms may be runny nose, post-nasal drip, stuffiness); not cancerous.  Treated by snipping them out.
– Sinus cancer – a single growing tumor that causes bulging – either around the eye, face, or mouth

Issues that cause your smelling to fail:
– Age
– Deviated septum
– Polyps
– Chronic sinus infections – the smelling sensors are inflamed or covered with mucus so much that they become damaged or less sensitive
– Smoking – smoke and toxins can damage smelling receptors in your nose; also the receptors become so clogged up with smoke and tobacco molecules that there’s no room for other molecules to be detected.  This can be temporary or permanent.

Nosebleeds
– In kids, usually from trauma (either bumps and bonks or picking) or dry air (in the wintertime, use vaseline in the nostrils)
– In adults, can be from hypertension (high blood pressure) or chronic use of blood thinners

PSA: Treatment for a nosebleed:  DO NOT tip your head backwards!!!!!  It makes you swallow that blood!  THAT’S GROSS!!  Proper treatment:  pinch the nose and tip the head forward.  This allows a clot to form and clots stop the bleeding.

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“Radio Martini” Kevin MacLeod (incompetech.com)  Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0/

Smell [Show Notes]

Episode 95 – Smell

Air goes in your nose and flows over the smell sensors.

Your nose and sinus cavities act as a resonating chamber for your voice.  That’s why you sound funny when you hold your nose or when your nose is stopped up from a cold or allergies.  This is important in talking and singing.

What makes something smell?
Volatile molecules evaporate at normal temperatures and pressures, so actually molecules of the thing are in the air and available to go in your nose.  Don’t think about this too hard….

The smelling sensors are on the roof of the nasal cavity –> olfactory receptors (olfactory is the fancy word for smelling).  The molecules fit into the receptors like a key in a key hole.  Our brain likes to categorize things, and so certain compounds have similar structures and get lumped together (“smells like eggs” but you know it’s not real eggs).

The olfactory receptors send the signals to the olfactory bulb (which is the area in the brain that translates all the smells and allows you to identify a smell).  It’s not a very long trip….

The olfactory bulb is a part of the limbic system (the emotion center).  this is why smell is more strongly connected to emotions and memory – even stronger than sight and sound.

If you go to the perfume counter at a department stores, you’ll find that they all start smelling the same.  The perfume department will have coffee beans because it helps clean out the receptors.

Coffee-scented, caffeinated perfume <– free idea!!

Inflammation and mucus congestion blocked off the receptors.

No concrete evidence of why pregnant women get a “super smeller” during pregnancy.

One rogue molecule won’t make you smell something.

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“Radio Martini” Kevin MacLeod (incompetech.com)  Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0/

Nose Anatomy [Show Notes]

Episode 94 – Nose Anatomy

Your nose is responsible for breathing and smelling.  These things work better when you’re nose isn’t stopped up.

The part of your nose that you can see and touch is cartilage covered in skin.  There is bone above your nose, beside your nose, below your nose, and right in the middle of your nose (inside your head).  Part of the cartilage is stiff and hold shape, other parts of cartilage are soft for flexibility.

The nasal root (the bone that extends between your eyes) connected to the bridge of your nose (which is made of cartilage).  The tip of your nose is also called the lobe.  The wings are on each side of your nose that you can flare.  The nostrils is actually the hole that leads into your nose.

There are 4 main sinus cavities.
– Frontal sinuses = in your forehead, between your eyebrows
– Maxillary sinuses = run under your eyes, behind your cheeks
– Ethmoid sinus = right between your eyes, in the middle of your head, connected to your tear ducts
Sphenoid sinus = under your sphenoid bone (in the middle of your head)

The sinus cavities are lined with mucous membranes that keep them moist and have lots of blood flow to them.  Their job is to warm and moisten the air you breathe in your nose before it goes into the lungs.  Your lungs don’t like cold air.

Mouth breathing is not very efficient. This is true in athletics as well as sleep.   But breathing out through your mouth can be useful because you can get a large amount of air out rather quickly and the lungs empty better.

You have a fast-flow and a slow-flow nostril – this has to help you perceive smell.  Sometimes almost as good as dogs.

The cartilage of your ears and nose never stop growing through your life.

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“Radio Martini” Kevin MacLeod (incompetech.com)  Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0/