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प्रश्न
Define the Glomerular Filtration Rate (GFR).
उत्तर
- Glomerular filtration rate is the amount of glomerular filtrate formed in all the nephrons of both kidneys per minute. In a healthy individual, it is about 125 mL/minute.
- Glomerular filtrate contains glucose, amino acids, sodium, potassium, urea, uric acid, ketone bodies, and large amounts of water.
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संबंधित प्रश्न
Fill in the blank :
Evaporation of sweat from the skin surface has ............... effect.
Define the following:
Nephron
Where in the urinary system do the following processes take place?
- Urine formation: ______.
- Transport of urine away from kidney: ______.
- Temporary storage of urine: ______.
Fill in the blank.
When air is humid, the rate of transpiration is ..................
Differentiate between
bowman’s capsule and glomerulus.
Write down the functional activity of the following parts,
Urethra ……………………
Explain the terms ultrafiltration and selective absorption
Give the working of the nephron.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Glomerular filtrate consists of many substances such as water, salts, glucose and white blood corpuscles.
Choose the correct option.
Tubular secretion does not take place in ______.
In which segment of the nephron most of the re-absorption of substances takes place?
Glomerular filtrate contains ______.
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
Identfiy the biological term
Temporary storage of urine.
Identify the biological term
A ball of inter twined capillaries.
Identify the biological term
Each contains a glomerulus.
Identify the biological term
Consists of the kidneys, ureters and bladder.
The osmotic pressure of blood that opposes ultrafiltration is about ______ mm Hg.
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
