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प्रश्न
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?
उत्तर
Ureotelic animals excrete urea with minimum loss of water, e.g., Mammals and terrestrial amphibians. Uricotelic animals excrete uric acid with the least loss of water, e.g., Birds and reptiles.
संबंधित प्रश्न
Explain the autoregulatory mechanism of GFR.
Dialysis fluid contains all the constituents as in plasma except ______.
Define the following:
Nephron
What is meant by osmoregulation?
Name the following:
Organ where ultrafiltration occurs.
Give the working of the nephron.
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?
What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?
Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?
Identfiy the biological term
Temporary storage of urine.
Identify the biological term
Carry urine from the kidneys to the bladder.
How is urea formed in the human body?
During ultra:filtration, ____________ is unable to filter through the glomerular capillaries.
Proximal convoluted tubule differs from distal convoluted tubule being lined by ______
Which part of the nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts and water into the blood capillaries?
Name the following:
Three stages of urine formation.
Write full form of the following abbreviation:
DCT
