ANP 1105 Chapter 14-16: ANP1105B-NotesTopic3

• School: University of Ottawa
• Department: Anatomy and Physiology
• Course: ANP 1105
• Professor: Jackie Carnegie

Document Summary

Notes - topic 3: homeostasis: intro to the autonomic nervous system + endocrine system. Define and identify the main characteristics of homeostasis. Define homeostasis, giving at least 2 physiological examples. Walter cannon: ability of the body to maintain relatively stable internal conditions even though there is continuous change in the outside world . Not unchanging - rather a dynamic state of equilibrium involving many systems. Heart activity / blood pressure monitored & adjusted as needed. List the 3 essential components of a homeostatic control mechanism, defining the roles of each. ) and sends info (through the afferent pathway for variable maintenance; analyzes info received and. Feedback (negative/positive) allows for regulation within a range along efferent pathway. 3. 1. 3 differentiate between positive and negative feedback; define disease and aging in terms of homeostasis. 1 hormonal or neural pathway regulating a process. Process regulated in opposite directions by 2 different hormones or neural pathways. Change occurs in same direction as original response.