Homeostasis can be defined as the stable condition of an organism and of its internal environment; or as the maintenance or regulation of the stable condition, or its equilibrium; or simply as the balance of bodily functions. The stable condition is the condition of optimal functioning for the organism, and is dependent on many variables, such as body temperature and fluid balance, being kept within certain pre-set limits. Other variables include the pH of extracellular fluid, the concentrations
Retractable leashes may not be used in the CGC Test. Dogs should wear a well-fitting buckle or slip collar (including a martingale) made of leather, fabric or chain. Special training equipment such as harnesses or haltis, pinch collars, and head collars such as gentle leaders are not permitted.
In the Roman Catholic Church, the clerical collar is worn by all ranks of clergy, thus: bishops, priests, and deacons, and often by seminarians who have been admitted to candidacy for the priesthood as well as with their cassock during liturgical celebrations.