1 Mites live naturally on dogs, but any mite in sufficient quantity can cause skin problems.  Two common types of mites that can cause mange are Demodex canis, which causes demodectic mange, and Sarcoptes scabei, which causes sarcoptic mange.
Ad. One area in which osmoreceptors are found is in the brain, specifically inside the hypothalamus. They regulate the amount of vasopressin, a hormone which tells the kidneys to retain water, which is expressed by the hypothalamus.
A chemoreceptor, or chemosensor, is a sensory receptor that translates a chemical signal into an action potential. Chemoreception is the three-stage process by which chemoreceptors function. The levels of chemoreception are detection, amplification and signaling. Chemoreceptors only bind to a certain kind of molecule.