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Unformatted text preview: 16/11/2007 11:27:00 Physiology: Homeostasis and Animal Hormones What is Physiology o study of logic of life o study of how cells, organs, and organisms function tissue is simplest level of organization of cells o epithelial o connective losose collection cells sitting with matrix that secretes geletin: ie ear lobes o Muscle tissue specialized cell that make up largest tissue in our body tightly associated with nervous tissue o Nervous Organs consist of multiple tissue types o organs are a group of tissues that come together for a specific purpose We will cover folliowing human organ systems immune system endocrine system nervous system musculosketetal system Homeostasis: how we live and how we are successful at living multicellular organisms developed internal environment o our internal environment is 15liters of plasma and fluid, etc. Fluid between our cells o allows multicellular organisms to become more specialized o Our internal environment keeps us stable Homeostasis is maintaining the internal environment o Allows multicullular organisms to live in environments that differ from internal environment o homeostasis is the maintenace of constancy in the internal environment is response to: a changing external environment flucuations in the internal environment if there is not enough calcium in the blood, the body takes it from the bones Allows organs to function in a constant environment o Hormones Everything that allows us to regulate homestasis comes though hormones Hormones are very important in our bodies...
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This note was uploaded on 05/26/2008 for the course MCDB 120 taught by Professor Johncarlsoncarolbascom-slackfrankslack during the Fall '07 term at Yale.
- Fall '07