Science Reasrech Essay

949 words - 4 pages

Colorblindness is usually a genetic condition you are born with. You can contract colorblindness by Alztimers, Glaucoma, Leukemia, liver diseases, chronic alcoholism, macular degeneration, Parkinson disease, multiple sclerosis, retnis pimentosa, and sickle cell anemia.
In the eye there are cells called cones. All colorblind people are missing cones, some people only missing a certain color cones, the ones termed red blue or green to make almost any color. Colorblindness affects only about thirteen percent of all Caucasians. There are three kind of colorblind, there is red/green colorblind, these people can’t see any shade of red or green colors. There is also blue colorblind, these people cannot distinguish between blue and yellow, it appears in people who have liver disease or diabetes mellitus. Young boys can have this colorblindness but it fades away during adolescence.
Acromatopsia is the total color blindness of the eyes. People who have this disease can only see shades of black and white with the possibility of gray shades. Only about thirty-three thousand people have this condition in the United States. Even though colorblindness is mostly shown with males, this colorblind condition it affects males and females equally. This colorblindness is what you are born with it cannot be “caught” through getting diseases or using certain chemicals such as carbon monoxide, carbon disulfide, fertilizers, and lead based chemicals can cause any kind of color blindness.
There are close to ten thousand taste buds located in the tongue, within those there are one hundred taste receptors each, these are called glustury cells. Glustury cells have slender taste hairs surrounding their body. The hairs are in a taste pore that then gives off saliva that then repeats the whole system of taste.
There are taste buds in the brain. There are about twenty-five hundred to five thousand, each of these special taste buds contain fifty to one hundred and fifty neuroepathicial cells. These cells respond with fibers in the nervous system. Neurons with taste are the only stem cells that are replenished as they die. When the receptors go back to your brain, it then tells said person what he or she tastes.
Even though people think that there are different taste buds for every sense of taste, every taste bud can taste all kinds of favors, not just the tasting region they are in. people regenerate new taste buds every three to ten days. Physiologists believe that without taste and smell, any patient can easily fall into a deep spiral of depression.
By having a Zink deficiency, brain damage, having no sense of smell and smoking can permanently ruin sense of taste. With sinus problems and head colds can also drain the sense of taste until you get better or recover. Most of the time, sinus disease and taste diseases go hand in hand with Each other, that sometimes the doctors cannot diagnose wither it...

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