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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
APPEARS IN
संबंधित प्रश्न
Define the following:
Nephron
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?
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 ..................
Answer the following in detail.
Explain the structure of a nephron with the help of a diagram.
Write down the functional activity of the following parts,
Urethra ……………………
Explain the terms ultrafiltration and selective absorption
Give Reasons for the following:
As a result of ultrafiltration along with excretory products certain useful products like glucose, salt, etc. are also filtered but these are not excreted?
Answer the following question.
Effective filtration pressure was calculated to be 20 mmHg; where glomerular hydrostatic pressure was 70 mm of Hg. Which other pressure is affecting the filtration process? How much is it?
Mention any two vital functions of human kidney
What is micturition?
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.
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
Identify the biological term
Consists of the kidneys, ureters and 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?
Minimum reabsorption occurs in ______.
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
The composition of glomerular filtrate and urine is not same. Comment.
