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Chapter 1-Human Physiology.docx

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Department
Psychology
Course
PSYCH 101
Professor
n.a
Semester
Summer

Description
Chapter 1 01/22/2014 Physiology­study of the normal functioning of a living organism and its component parts, including all its  chemical and physical processes Physiology­knowledge of nature Study of the vital functions of the human body, although today the term is again used to refer to the study of  the functions of all animals and plants Anatomy­study of structure with less emphasis on function Function of a tissue or organ is closely tied to its structure and the structure of the tissue or organ  presumably evolved to provide an efficient physical base for its function▯ how anatomy and physiology are  connected Levels of organization of living organisms­from atoms to groups of the same species to populations of  different species living together in ecosystems Sub­disciplines of chemistry and biology are related to the study of each organizational level Physiology encompasses many levels of organization form the molecular level all the way up to populations  of species Cell­smallest unit of structure capable of carrying out all life processes Cells are a collection of molecules separated from the external environment by a barrier called the  cell  membrane Tissues­ collections of
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