The body regulates its ❌ environment using ❌ of ❌. A feedback system, or ❌, is a ❌ in which a body ❌ is ❌, evaluated, changed, and adjusted accordingly. Each factor being monitored, such as body temperature, blood pressure, or blood glucose level, is ❌. Any disruption that changes a controlled condition is called a stimulus. For example, the body tightly regulates how much glucose is in the blood. If there is ❌, energy reactions may not take place efficiently. If there is ❌, glucose can damage blood vessels.
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