The Homeostasis Concept - What Is Meant by this Term, Examples of how Mechanisms Achieve Homeostasis, Negative and Positive Feedback

Improvement suggestions: history of homeostasis? Further consideration of positive feedback, e.g. in pathological conditions.
The Homeostasis Concept
Homeostasis is a system of automatic control mechanisms which maintain the internal environment of an organism despite changes in the external environment (Campbell & Reece, 2005). The internal environment consists of extracellular fluids that bathe every cell of the body, supplying nutrients and receiving wastes (Purves et al., 2001). …