HISTOLOGY
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Where does the diffusion of oxygen take place?
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capillaries
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arteries
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veins
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None of the above
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Explanation:
Detailed explanation-1: -This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
Detailed explanation-2: -To maximise the area available for diffusion, there are many capillaries supplying the same tissue. Moreover, a constant blood flow through the capillaries maintains a large concentration gradient to allow the molecules to be rapidly exchanged with the tissue.
Detailed explanation-3: -The exchange of oxygen, nutrients, and waste between your blood and tissues also happens in your capillaries. This happens through two processes: Passive diffusion.
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