The partial pressure gradient between the alveoli and blood capillaries facilitates oxygen diffusion. Hemoglobin binding is essential for transporting oxygen effectively. Henry's Law explains the movement of gases from high to low concentrations.
Partial pressure gradient between the air in the alveolus and the blood in the capillary is the factor that promotes the diffusion of oxygen across the respiratory membrane. The difference in partial pressure of oxygen creates a strong pressure gradient that facilitates the movement of oxygen from the alveoli into the blood.
Henry's Law states that gases diffuse from high concentration to low concentration, which explains how oxygen moves from an area of high concentration in the alveoli to an area of low concentration in the blood.
Hemoglobin binding is crucial for oxygen transport; about 98% of oxygen binds to hemoglobin in red blood cells, allowing for effective oxygen uptake and delivery to tissues.
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