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प्रश्न
We can produce a concentrated/ dilute urine. This is facilitated by a special mechanism. Identify the mechanism.
विकल्प
Reabsorption from PCT
Reabsorption from Collecting Duct
Reabsorption/Secretion in DCT
Counter current mechanism in Henle’s loop/Vasa recta
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उत्तर
Counter current mechanism in Henle’s loop/Vasa recta
Explanation:
Counter current mechanism operates between the two limbs of the loop of Henle and those of vasa recta. The filtrate becomes concentrated when it moves down the descending limb but is diluted by the ascending limb.
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संबंधित प्रश्न
Match the items of column I with those of column II:
| Column I | Column II | ||
| (a) | Ammonotelism | (i) | Birds |
| (b) | Bowman’s capsule | (ii) | Bowman’s capsule |
| (c) | Micturition | (iii) | Bony fish |
| (d) | Uricotelism | (iv) | Urinary bladder |
| (e) | ADH | (v) | Renal tubule |
Define the following:
Excretory organs
Describe the structure of the kidney with the help of a labelled diagram.
Tick the most appropriate answer.
A network of capillaries present in the Bowman’s capsule is called
Fill in the blank.
Urine contains .................... and ................. as nitrogenous waste.
Answer the following in detail.
Write a short note on artificial kidneys.
Choose the correct answer:
Uric acid is excreted by _______________
Explain the Term: The Bowman’s capsule
Explain the Term: Tubular reabsorption
Give Technical Term:
Name the organ in which urine is stored before its elimination from the body.
Choose the Odd One Out:
Choose the correct option.
Bowman’s capsule is located in kidney in the _______.
Flame cells are present in ______.
Maximum amount of urea is present in the blood carried by the ____________.
The left side of the heart receives oxygenated blood from ______.
Thin muscular tubes carry urine from the kidney to the urinary bladder.
What is the contribution of Joseph E. Murray to Nephrology?
Rearrange the jumbled words and fill in the blanks in the following passage to make it a meaningful description.
The human urinary system consists of a pair of ______ ( nyedik), which form the urine; a pair of ______ (ertreu), which conduct the ______ (neuri) from kidneys to the ______ (naryuri drebdal) for storage of urine and a ______ (reuhrat) through which the urine is voided by bladder contractions.
Choose the odd one out in the following set and write the category for the remaining term:
Kidney, ureter, neuron, urethra, urinary bladder
