Physical Fitness and Well-Being and Nose Care Part 2
About physical fitness, medical information, trivia, anatomy, well-being and care of your nose.
TAKING A PHYSICAL--HEAD TO TOE
When bacteria enter your nasal passages, they are picked up by this damp mucosal blanket. The bacteria are destroyed mainly by two substances, immunoglobulin and lysozyme, which are contained in the mucosal fluids.
Solid particles filtered by the mucosal blanket eventually empty into your stomach, where they are rendered harmless by the normal hydrochloric acid produced by your stomach.
The relatively small size of your nostrils, as well as the hairs lining the inside of your nose, limit the size of objects which can enter your nasal passages and filter out particles too large to be filtered by the mucosal blanket.
Your sinuses are extensions of the mucosal tissue inside your nose, and all have passages into your nose or throat. It is not known exactly what function the sinuses serve. But they do produce antibodies which protect your upper respiratory channels from bacterial infections.
There are two pairs of sinuses below your eyes and two directly above.
There is a sinus structure between the roof of your mouth and your nasal passages.
There is a sixth sinus structure at the top of your throat, where your nasal cavities join it. This sixth sinus is interesting in that it lies in close proximity to other extremely important organs.
This sixth sinus touches your carotid artery, which carries blood to your brain. It also touches the third, fourth, fifth, and sixth cranial nerves. These affect basic body rhythms; intellectual, emotional, and sexual activities; muscular coordination and the sense of touch; and your ability to make sense of the written word. Small wonder that a simple cold, sometimes causing inflammation of the sinuses, can affect us so dramatically.
Your sense of smell comes from a series of nerve cells located in the roof of your nasal passages, about halfway between your nostrils and your throat. These nerve cells are stimulated by oily, non-water-soluble substances carried in the air.
Since your nose and throat connect, taste buds on the back of your tongue, stimulated by water-soluble substances, enrich your sense of smell.
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