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प्रश्न
Define the following:
Nephron
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उत्तर
Inside the kidney, there are millions of microscopic tubes called renal tubules or nephrons. It is the structural and functional unit of the kidney.
संबंधित प्रश्न
Explain the autoregulatory mechanism of GFR.
What is meant by the term osmoregulation?
Reabsorption of water from distal parts of the tubules is facilitated by hormone ______.
Add a noteon composition of urine.
Draw neat and labelled diagrams of Malpighian capsule
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?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Sometimes urine may contain certain excess vitamins.
What is micturition?
What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?
In which segment of the nephron most of the re-absorption of substances takes place?
Identify the biological term
A ball of inter twined capillaries.
Identify the biological term
Removal of useful substances from glomerular filtrate.
Identify the biological term
What solute the blood contains that are not present in the glomerular filtrate?
The human kidney is histologically divided into ____________.
Which part of the nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts and water into the blood capillaries?
How does tubular secretion help in maintaining ionic and acid-base balance in body fluids?
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 ______.
