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प्रश्न
How is urea formed in the human body?
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उत्तर
More toxic ammonia produced as a result of breakdown of amino acids is converted into less toxic urea in the liver by a cyclic process called Ornithine cycle.
संबंधित प्रश्न
Define the Glomerular Filtration Rate (GFR).
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Filtration of excretory wastes from the blood occurs in:
Define the following:
Nephron
State if the following statement is true or false. Correct the statement if it is false.
The Bowman’s capsule and glomerulus together form the Malpighian body.
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.
Differentiate between Afferent arteriole and Efferent arteriole.
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?
In which segment of the nephron most of the re-absorption of substances takes place?
Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?
If Henle’s loop were absent from mammalian nephron, which one of the following is to be expected?
What is tubular secretion? Name the substances secreted through the renal tubules.
During ultra:filtration, ____________ is unable to filter through the glomerular capillaries.
Na+ excretion in the urine is reduced by secretion of ______
First step in urine formation is ______.
The composition of glomerular filtrate and urine is not same. Comment.
Name the substances other than water, that are reabsorbed during urine formation. What are the two parameters that decide the amount of water that is reabsorbed in the kidney?
