University of Hamburg
University of Hamburg: Homeostasis Some General Principles
An online, college-level textbook about homeostasis. Find out what it is, and how this function allows us to stay alive.
CK-12 Foundation
Ck 12: Biology: Hormone Regulation
[Free Registration/Login may be required to access all resource tools.] Describes how feedback mechanisms regulate hormone secretion.
Oswego City School District
Regents Exam Prep Center: Homeostasis Introduction
Provides an easy to understand overview of the Biochemical processes, disease, and feedback mechanisms of homeostasis.