Associate of Arts Requirements. <----Back to Associate of Arts / Associate of Science. The following are the Graduation Requirements for the Associate of Arts degree. The Associate of Arts degree represents the first two years of a bachelor's degree, and can be transferred to any public college in Ohio. Associate of Arts Requirements.
Negative feedback control mechanisms (used by most of the body's systems) are referred to as ânegativeâ because the information caused by the feedback results in a reverse of the response. TSH is an example: blood levels of TSH serve as feedback for production of TSH. Positive feedback control is used in some cases.
Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop. The system can then be said to feed back into itself. The notion of cause-and-effect has to be handled carefully when applied to feedback systems: