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.
1) A respiratory center within the reticular formation (network) of the medullary pons of the brainstem (with 3 centers as outlined below) 2) Chemoreceptors which send afferent or sensory input to the respiratory centers in the brainstem. There are peripheral and central brainstem chemoreceptors.) Neural reflexes which can modify the basic setup. Respiratory Chemoreceptors. 1) A respiratory center within the reticular formation (network) of the medullary pons of the brainstem (with 3 centers as outlined below). 2) Chemoreceptors which send afferent or sensory input to the respiratory centers in the brainstem.