D

solubility

Alveolar epithelium

Alveolar space

Alveolar epithelium

Alveolar space

Alveolar Liquid Gas Interface
Mixed venous blood

Diffusion path of O2 and CO2 in the lungs. "Gases move across the blood-gas interface (alveolar-capillary membrane) by diffusion, following Fick's law.

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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