@respiratorycoach: Diffusion moves gases from high to low pressure across the alveolar membrane. No gradient = no oxygen transfer. Without it, oxygen never reaches the bloodstream. 📺 Full YouTube video: Three Key Terms Every RT Student Must Know @officialaarc #aarc #respiratorytherapy #rtstudent #gasexchange #tmcprep #nclex #diffusion

Joe Lewis

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Wednesday 08 October 2025 20:30:00 GMT