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Question
Differentiate between Afferent arteriole and Efferent arteriole.
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Solution
| Afferent arteriole | Efferent arteriole |
| It brings oxygenated blood into the kidney. | It carries deoxygenated blood away from the kidney. |
| It carries blood to the glomerulus of the nephron. | It takes the blood away from the glomerulus. |
| It has a larger diameter. | It has a narrower diameter. |
| It is a branch of the renal artery and so it carries blood containing more water and nitrogenous wastes. | Efferent arterioles join to form renal veins and so they carry filtered blood back to circulation, containing much less water and nitrogenous waste. |
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