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Do you know your special senses? (3)

Helen Keller was stricken blind and deaf as an infant, isolated from the world and from her fellow human beings.  But during childhood the sensitive receptors in her fingertips put her in touch with the world.  By feeling, she studied objects, nature, people and experiences the thoughts and emotions that made her a human being.  As a girl of 14 she sat at the side of Samuel Clemens as her fingers “read from his lips” the stories he told.

AMAZING ISN’T IT?

20/20   VISION — SEEING YOUR POSSIBILITIES!

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Do you know your special senses? (2)

Scientists have discovered that we can call to our consciousness far more sensory data than we originally identified.  Any one of us could tabulate a “whole sense” catalog of our surroundings at a hypothetical moment.  Tune in on all the sensations around you, the hum of a fan, the liquid twitter of the mockingbird on the fence outside the window, the whir of the neighbor’s well-tuned car, the perfume of honeysuckle from the garden, the roughness of the sandals on your bare feet, the blue, red, beige lozenges of the oriental rug, the corner page in your book, its crispness remembered by your fingertips… the pressure of the chair that supports you… soft voices from another room.

How does that make you feel?

AMAZING ISN’T IT?

20/20 VISION   —   SEEING YOUR POSSIBILITIES!

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HAPPY THANKSGIVING!!!!

HAPPY THANKSGIVING!!!!

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Do you know your special senses?

All the senses:  vision, hearing, smell, taste, touch originate in organs called receptors, specialized to continually instruct the brain about the body’s condition and environment.  Sense receptors respond to stimuli in the environment by initiating a chain of electrochemical nerve impulses that travel on particular neuronal pathways to regions of the brain that analyze the signals and induce any part of the body.  It is the innate intelligence of the body that decodes the signals to respond to the needs of the body at that precise moment.

Usually we filter out 99% of the sights, sounds, and other sensations around us because they do not seem significant or threatening.  If we did not, the sensory overload would drive us crazy!

AMAZING ISN’T IT?

20/20  VISION —  SEING YOUR POSSIBILITIES!

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Sanitation crew of the body? (3)

Sometimes we inhale particles that excite sensitive receptors in the nose, triggering a sneeze, or in the air passages beyond the nose, provoking a cough.  The rush of air produced by a cough moves at a speed approaching 600 miles per hour, propelling debris and mucus up and out of the respiratory tract.

Microbes that enter the body by way of the mouth confront waves of saliva loaded with the enzyme, lysozyme and other microbe-killing substances.  Lysozyme, which also occurs in tears and nasal secretions, destroys bacteria by digesting their cell walls.

Microbes that avoid the protective agents in the mouth find their way to the stomach.  There, most succumb to the powerful acid secreted by the cells in the stomach lining.  Others get caught in the sticky mucus that coats stomach and intestines.  The wavelike motion know as peristalsis, which moves food through the digestive tract, pushes the mucus and microbes from the body under the direction of the innate intelligence of the body.

AMAZING ISN’T IT?

20/20   VISION —  SEEING YOUR POSSIBILITIES!

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Sanitation crew of the body? (2)

Tiny hairlike projections called cilia, which carpet the membrane sweep the material away from the surface.  With rapid, forceful strokes, the cilia push the mucus and debris out of the passage at the rate of about an inch a minute.

This escalator of cilia removes nearly all foreign material to a part of the throat near the mouth called the oropharynx, where it can be coughed out, old swallowed and eventually eliminated from the digestive tract with other wastes.

AMAZING ISN’T IT?

20/20  VISION  —  SEEING YOUR POSSIBILITIES!

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Sanitation Crew of the body?

As we breathe, sometimes small particles of bacteria may make it deep down the respiratory tract, landing on the walls of the trachea and bronchial tubes.  Special cells and glands, in the membranes that line these walls secrete a slightly sticky fluid, mucus, which trap and hold dirt, debris, and microorganisms.  That way, our lungs stay clear and clean!

AMAZING ISN’T IT?

20/20  VISION   —   SEEING YOUR POSSIBILITIES!

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