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प्रश्न
What are the main processes of urine formation?
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उत्तर
The main processes of urine formation are as follows:
- Glomerular filtration
- Reabsorption
- Secretion
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संबंधित प्रश्न
Reabsorption of water from distal parts of the tubules is facilitated by hormone ______.
Add a noteon composition of urine.
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: ______.
Fill in the blank.
........................ is found in the seeds of poppy plants.
Fill in the blank.
When air is humid, the rate of transpiration is ..................
Differentiate between Afferent arteriole and Efferent arteriole.
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.
Concentration of urine depends upon which part of the nephron
If Henle’s loop were absent from mammalian nephron, which one of the following is to be expected?
Glomerular filtrate contains ______.
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
Identify the biological term
Each contains a glomerulus.
Identify the biological term
Removal of useful substances from glomerular filtrate.
During ultra:filtration, ____________ is unable to filter through the glomerular capillaries.
Filtration of the blood takes place at ______.
Complete the following:
Urinary excretion = Tubular reabsorption + Tubular secretion –
The composition of glomerular filtrate and urine is not same. Comment.
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 ______.
