Why are capillaries only one cell thick?
David ArnoldIn order to facilitate the diffusion of gases and other substances such as urea, nutrients, water, etc., capillaries are one cell thick.
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Autumn AndersonCapillaries are only one cell thick to facilitate the exchange of gases, nutrients, and waste products between the blood and surrounding tissues through diffusion. This thinness allows for a short diffusion distance, enabling efficient transfer of substances. Additionally, it allows capillaries to be flexible and easily permeable to substances.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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