For example, if a 37-year-old Marine with 10 years of service desires to reenlist in the Marine Corps, his/her age will be 27 for enlistment purposes. Although the maximum age for enlistment is 35, any individual older than 28 is required to request an age waiver.
Homeostasis. The biological definition of homeostasis is âthe tendency of an organism or cell to regulate its internal environment and maintain equilibrium, usually by a system of feedback controls, so as to stabilize health and functioningâ.lmost all homeostatic control mechanisms are negative feedback mechanisms. These mechanisms change the variable back to its original state or âideal valueâ. A good example of a negative feedback mechanism is a home thermostat (heating system).
: Some definitions state or imply that homeostasis. the stable condition in which the body is maintained by the action of feedback systems making appropriate adjustments as necessary.Other definitions* of homeostasis state that homeostasis is the (active) maintenance of stable conditions within the body. Negative Feedback Systems (Negative feedback mechanisms). 2  Produce negative feedback which means that negative feedback systems reverse changes in the controlled condition, hence negative feedback tends to bring conditions within the body back into balance. 3  Positive Feedback Systems (Positive feedback mechanisms).