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What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?

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प्रश्न

What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?

थोडक्यात उत्तर
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उत्तर

Glomerular hydrostatic pressure (55 mm Hg) is the force that promotes filtration. The colloidal osmotic pressure (30 mm Hg) and the capsular hydrostatic pressure (15 mm Hg) are the two opposing forces.

The difference between the force promoting and opposing filtration is the net filtration pressure. It is responsible for filtration.

Net filtration pressure = Glomerular hydrostatic pressure – (Colloidal osmotic pressure + Capsular hydrostatic pressure).

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पाठ 8: Excretion - Evaluation [पृष्ठ १४६]

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सामाचीर कलवी Biology (Zoology) [English] Class 11 TN Board
पाठ 8 Excretion
Evaluation | Q 3. | पृष्ठ १४६
सामाचीर कलवी Zoology [English] Class 11 TN Board
पाठ 8 Excretion
Evaluation | Q 3. | पृष्ठ १५०

संबंधित प्रश्‍न

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


Explain the process of formation of urine with suitable diagram


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?

  1. Urine formation: ______.
  2. Transport of urine away from kidney: ______.
  3. Temporary storage of urine: ______.

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.  

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.


One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.

ADH, Water, pituitary, osmoregulation, urine 


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.


In which segment of the nephron most of the re-absorption of substances takes place?


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Identfiy the biological term

Temporary storage of urine.


Identify the biological term

Each contains a glomerulus.


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First step in urine formation is ______.


What are the main processes of urine formation?


Write full form of the following abbreviation:

DCT


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