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Human Anatomy and Physiology Learn with flashcards, games, and more — for free.
Study with Quizlet and memorize flashcards containing terms like Define Anatomy, Define Physiology, What are the 10 Characteristics of Life and more.
Learning Objectives. By the end of this section, you will be able to: List the components of a homeostatically controlled system. Discuss the role of homeostasis in the human body. Contrast negative and positive feedback, giving one physiologic example of each mechanism.
14 sie 2020 · 1. What are the four components of a control system? 2. Define stimulus using two examples 3. What is a sensor (or sensory receptor)? 4. What is a control center? 5. What is a set point? 6. What is an effector?
Control of Homeostasis. When a change occurs in an animal’s environment, an adjustment must be made. The receptor senses the change in the environment, then sends a signal to the control center (in most cases, the brain) which in turn generates a response that is signaled to an effector.
Homeostasis is the activity of cells throughout the body to maintain the physiological state within a narrow range that is compatible with life. Homeostasis is regulated by negative feedback loops and, much less frequently, by positive feedback loops.
