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Midterm Review 10 pages of notes, including diagrams and pictures

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BIOL 273
Katherine Wood

Introductionphysiology study of the structure and function of a living organism and its component partsTissue Types1Epithelial protect internal environment regulate the exchange of materialsa exchangerapid exchange of materialb transportingselective transport of materialc ciliatedprovide transport in airways and female reproductive tractd protective e secretorysynthesize and release products into the external environmentblood2Connectivestructural supportbarriers extensive ECM contains proteoglycans collagen elastin fibrillin and fibronectina looseelasticb densestrength tendons and ligamentsc adiposecontains adipocytesd blood e supportingdense cartilage and bone 3Musclecontract to produce force and movementa skeletalbody movementb smoothsubstances intoout of bodyc cardiacmoves blood from heart4Neuralcarry info From one part of the body to another very little ECMa neuronselectrical or chemical infob glial cellssuppot neuronshomeostasis maintenance of a relatively stable internal environment involves automatic controlacclimatization environmentally induced change in physiological function with no genetic changecircadian rhythms daily biological rhythms ex Sleep menstrual cycleCelltoCell Communication1Gap junctionsoccur via connexons protein channels can open and close2Contactdependentinteraction between membrane molecules found in immune cells and during development3Local communicationvia paracrine act on neighbouring cells and autocrine act on the cell producing them signals ex Histamine4Longdistance communicationuse chemical and electrical signals neurohormones neurotransmitters used in nervous and endocrine system1 Receptorstransmembrane or glycoproteinsa extracellularhydrophilic bind ligandb transmembranehydrophobicc intracellularhydrophilic activate cellular responseagonist activates receptor and response not necessarily at the same levelantagonist binds but inhibits the responseControl and Integration1Local or Longdistance Control
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