Bernal, Griffith Joyner D._BSBio1-4_Respiratory System_Notes.docx

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Respiratory SystemDifferentiations of ExternalRespiration and InternalRespirationDifferentiationRespiration: the process of obtaining oxygen from the externalenvironment and eliminating CO2TYPESExternal respiration: describes the bulk flow of air into and out of thelungs and the transfer of oxygen and CO2into the bloodstreamthrough diffusionits primary 3 components are the surface area ofthe alveolar membrane, the partial pressure ofthe gases, and the matching of perfusion andventilationInternal respiration: cells use oxygen for ATP production (and producecarbon dioxide in the process)refers to 2 distinct processes1.exchange of gases between the bloodstreamand the tissues2.process of cellular respiration from which cellsutilize oxygen to perform basic metabolicfunctionsCellular respiration: the metabolic process by which an organismobtains energy through the reaction of oxygen with glucose toproduce water, CO2, and ATP, which is the functional source of energyfor the cellits oxygen supply comes from the externalrespirationincludes 3 major steps which occurs mainly in thecytoplasm of the cell and within the mitochondriaof the cell1.glycolysis: the breakdown of glucose intopyruvate, ATP, H2O, and heat2.Krebs Cycle: produce NADH from pyruvate3.Oxidative phosphorylation: produces ATP fromNADH, oxygen, and H+-oxygen plays the role of electron receptor inan electron transport chain to produce ATPFormula:C2H12O6

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Term
Fall
Professor
NoProfessor
Tags
Thoracic diaphragm, Air Diagram

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