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प्रश्न
Differentiate between Afferent arteriole and Efferent arteriole.
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उत्तर
| 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. |
संबंधित प्रश्न
Add a noteon composition of urine.
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Besides water, the urine mainly contains :
Define the following term:
Ultrafiltration
Give the working of the nephron.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Glomerular filtrate consists of many substances such as water, salts, glucose and white blood corpuscles.
Mention any two vital functions of human kidney
If the afferent arteriole of the nephron constricts, what happens to the GFR in that nephron? If the efferent arteriole constricts what happens to the GFR in that nephron? Assume that no auto regulation takes place.
Glomerular filtrate contains ______.
Identfiy the biological term
Temporary storage of urine.
A large quantity of fluid is filtered every day by the nephrons in the kidneys. Only about 1% of it is excreted as urine. The remaining 99% of the filtrate ______.
