Oxygen diffuses into the capillaries of the lungs because there is
Select one:
a. a higher concentration of $\mathrm{O}_{2}$ in the alveoli than the capillaries.
b. a higher concentration of $\mathrm{CO}_{2}$ in the capillaries than the alveoli.
c. an equal concentration of $\mathrm{O}_{2}$ in the alveoli and the capillaries.
d. a higher concentration of $\mathrm{O}_{2}$ in the capillaries than the alveoli.
e. a higher concentration of $\mathrm{CO}_{2}$ in the alveoli than the capillaries.

Question

Oxygen diffuses into the capillaries of the lungs because there is
Select one:
a. a higher concentration of $\mathrm{O}_{2}$ in the alveoli than the capillaries.
b. a higher concentration of $\mathrm{CO}_{2}$ in the capillaries than the alveoli.
c. an equal concentration of $\mathrm{O}_{2}$ in the alveoli and the capillaries.
d. a higher concentration of $\mathrm{O}_{2}$ in the capillaries than the alveoli.
e. a higher concentration of $\mathrm{CO}_{2}$ in the alveoli than the capillaries.

Accepted Answer

***A*** ∻Key Concept∻ ⚹Diffusion Gradient⚹ ∻Explanation∻ ⚹Oxygen diffuses from the alveoli to the capillaries due to a higher concentration of $ \mathrm{O}_{2} $ in the alveoli, creating a concentration gradient that facilitates diffusion.⚹◊What is the role of hemoglobin in the transport of oxygen from the lungs⍭ Generate me a similar question◊

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