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Humans inhabit hot climates, both dry and humid, and have done so for millions of years. Selective use of clothing and technological inventions such as air conditioning allows humans to live in hot climates. One example is the Chaamba, who live in the Sahara Desert. They wear clothing that traps air in between skin and the clothes, preventing ...
In his clinical practice, Gysi observed that the removal of fluid from the cavity floor of his patients' teeth produced the sharp, short pain of dentine hypersensitivity. He subsequently concluded that drying the cavity fluid caused an interruption in the fluid flow movement within the dentinal tubules. [ 20 ]
Human teeth function to mechanically break down items of food by cutting and crushing them in preparation for swallowing and digesting. As such, they are considered part of the human digestive system. [1] Humans have four types of teeth: incisors, canines, premolars, and molars, which each have a specific function. The incisors cut the food ...
The polar bear has stocky limbs and very short ears that are in accordance with the predictions of Allen's rule, so does the snow leopard. [5] In 2007, R.L. Nudds and S.A. Oswald studied the exposed lengths of seabirds ' legs and found that the exposed leg lengths were negatively correlated with Tm axdiff (body temperature minus minimum ambient ...
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Ota Benga, a famous Congolese pygmy, shows off his sharpened teeth. A man with filed teeth (probably Mentawai) smokes in a photograph by Dutch photographer Christiaan Benjamin Nieuwenhuis who worked in Sumatra. Human tooth sharpening is the practice of manually sharpening the teeth, usually the front incisors. Filed teeth are customary in ...
Image credits: milwbrewsox #7. My wife and I have this ceiling fan/light in our bedroom in the house we moved into two years ago. It has a remote control for the fan and lights.
Four teeth hurt too much to chew solid food. The sub comes with potato chips. I try to eat them but can’t take the pain. I’ve lost nearly half my teeth since I became disabled twenty-seven ...