what is homeostatsis
homeostasis. the tendency of biological systems to maintain relatively constant conditions in the internal environment while continuously interacting with and adjusting to changes originating within or outside the system.See also balance and equilibrium. adj., adj homeostatÂ´ic.omeostasis. a tendency of biological systems to maintain stability while continually adjusting to conditions that are optimal for survival. Homeostatic mechanisms are necessary for the body to regain its balance when disease or injury occurs and to maintain that balance if it is to remain healthy.