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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
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Filtration of excretory wastes from the blood occurs in:
Where in the urinary system do the following processes take place?
- Urine formation: ______.
- Transport of urine away from kidney: ______.
- Temporary storage of urine: ______.
What is meant by osmoregulation?
Name the following:
Organ where ultrafiltration occurs.
Mention any two vital functions of human kidney
Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?
Identify the biological term
Carry urine from the kidneys to the bladder.
With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion?
The osmotic pressure of blood that opposes ultrafiltration is about ______ mm Hg.
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
