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Gas Exchange - Coggle Diagram
Gas Exchange
Key terms
Gas exchange
Exchange, by diffusion, of oxygen and CO2 to and from blood in alveoli and "respiring tissues"
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Ventilation
"Ventilation maintains concentration gradients of oxygen and carbon dioxide between air in the alveoli and blood flowing in adjacent capillaries"
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Hematosis
gas exchange (diffusion of oxygen from alveoli to capillaries, and CO2 from capillaries to alveoli)
Respiratory system
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Respiratory membrane
Layers: capillary endothelium, basement membrane, interstitial space, alveolar epithelium, fluid layer, surfactant
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Hemoglobin
Made up of globulin chains, each with iron porphyrin ring (heme), central Iron which captures 4 oxygen molecules
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