BIOD27H3 Chapter 1: Chapter Notes for Chapter 1 of Human Physiology 5e

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24 Jun 2011
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To treat disease and injury appropriately, we have to understand the human body in its healthy state. physiology: the study of normal functioning of a living organism and its component parts, including all its chemical and physical properties; literal meaning: knowledge of nature . cells are collections of molecules separated from the external environment by a cell membrane. Tissues are collections of cells that carry out related functions. process/mechanism of a physiological system = how . homeostasis: the ability of the body to maintain a relatively constant/stable internal environment; key principle in physiology. humans = large, mobile, terrestrial animals whose bodies maintain relatively constant water content despite their dry, highly variable external environment. most cells in our bodies are not tolerant of changes in their surroundings www. notesolution. com. organisms that are able to survive in highly variable external environments are doing so by keeping their internal environment relatively stable.

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