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What is the significance of juxtaglomeru...

What is the significance of juxtaglomerular apparatus (JGA) in kidney function?

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### Step-by-Step Solution 1. **Definition of Juxtaglomerular Apparatus (JGA)**: - The Juxtaglomerular Apparatus (JGA) is a specialized structure located in the nephron of the kidney, specifically at the junction of the distal convoluted tubule (DCT) and the afferent arteriole. 2. **Components of JGA**: - The JGA consists of modified smooth muscle cells known as juxtaglomerular (JG) cells in the afferent arteriole and macula densa cells in the distal convoluted tubule. ...
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NCERT ENGLISH-EXCRETORY PRODUCTS AND THEIR ELIMINATION-EXERCISE
  1. Define Glomerular Filtration Rate (GFR)

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  2. Explain the autoregulatory mechanism of GFR.

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  3. Micturition is carried out by a reflex.

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  4. ADH helps in water elimination, making the urine hypotonic.

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  5. Protein-free fluid is filtered from blood plasma into the Bowman’s cap...

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  6. Henle’s loop plays an important role in concentrating the urine.

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  7. Glucose is actively reabsorbed in the proximal convoluted tubule.

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  8. Give a brief account of the counter current mechanism.

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  9. Describe the role of liver, lungs and skin in excretion.

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  10. Explain micturition.

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  11. Match the items of column I with those of column II:

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  12. What is meant by the term osmoregulation?

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  13. Terrestrial animals are generally either ureotelic or uricotelic, not ...

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  14. What is the significance of juxtaglomerular apparatus (JGA) in kidney ...

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  15. Find out the name of the following: a. A chordate animal having fla...

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  16. Ascending limb of Henle’s loop is to water whereas the descending limb...

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  17. Reabsorption of water from distal parts of the tubules is facilitated ...

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  18. Dialysis fluid contains all the constituents as in plasma except .

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  19. A healthy adult human excretes (on an average) gm of urea/day.

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