BIOL273 Lecture 1: W1U1 – term. Sept 23, 2016 - Introduction to Human Physiology
5 Oct 2016
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Sept 23, 2016 introduction to principles of human. Physiology the study of the structure and function of a living organism and its component parts. Understanding vs. learning understanding requires a large vocabulary of new terms, learning is similar to learning a new language. Structure/function relationships: strong integration, intimate connection b/w structure and function, ex. Human heart with 4 chambers and 2 valves providing adequate pressure to propel blood throughout system of blood vessels. Information flow: in human body, info can travel between cells to coordinate functions, ex. Chemical signal may travel long distance from where it was released to target cell: info outside must now be transferred to inside. Homeostasis: homeostasis balance of body, concept of a relatively table internal environment. What are the 7 branches of organization and their increasing levels: (a) chemical atoms & molecules, (b) cellular neuron, lymphocyte, (c) tissue collection of cells (ex. Connective: (d) organ structural unit made of tissues (ex.
