Search results
Results from the WOW.Com Content Network
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 ...
Simplified control circuit of human thermoregulation. [8]The core temperature of a human is regulated and stabilized primarily by the hypothalamus, a region of the brain linking the endocrine system to the nervous system, [9] and more specifically by the anterior hypothalamic nucleus and the adjacent preoptic area regions of the hypothalamus.
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 ]
Teeth are classified as incisors, canines, premolars (also called bicuspids), and molars. Incisors are primarily used for cutting, canines are for tearing, and molars serve for grinding. Most teeth have identifiable features that distinguish them from others. There are several different notation systems to refer to a specific tooth.
The North American kangaroo rat, Australian hopping mouse, and North African and Asian jerboa have developed convergent adaptations for hot desert environments; these include a small rounded body shape with large hind legs and long thin tails, a characteristic bipedal hop, and nocturnal, burrowing and seed-eating behaviours. These rodent groups ...
Numerous studies have shown that short people live longer. Over time, researchers have identified some of the reasons as better resistance to diseases, a lower likelihood of suffering a variety of ...
From dry skin to bug bites to hives, here's why you can't stop scratching—and how to find relief. Dermatologists explain why you have unbearably itchy legs. From dry skin to bug bites to hives ...
The 45-inch handle means you can do the work fully upright, using the strength of your legs. Just hold it over the weed, step on the head and twist. Leverage is built into the design.