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प्रश्न
The given diagram represents a nephron and its blood supply. Study the diagram and answer the following questions:
(i) Label parts 1, 2, 3 and 4.
(ii) State the reason for the high hydrostatic pressure in the glomerulus.
(iii) Name the blood vessel which contains the least amount of urea in this diagram.
(iv) Name the two main stages of urine formation.
(v) Name the part of the nephron which lies in the renal medulla.
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उत्तर
(i)
1 – Collecting duct
2 – Distal convoluted tubule (DCT)
3 – Descending limb of loop of Henle
4 – Bowman’s capsule
(ii) The diameter of efferent arteriole is narrower than the diameter of the afferent arteriole which builds the high hydrostatic pressure in the glomerulus.
(iii) Efferent arteriole
(iv) The two main stages of urine formation are ultrafiltration and tubular reabsorption.
(v) Henle’s loop and collecting tubules
संबंधित प्रश्न
How is the amount of urine produced regulated?
The nephrons discharge their urine at ______.
What is urethra?
Name the following:
The vein in which urea concentration is maximum
Choose the correct answer:
Composition of extracellular fluid is regulated by ___________
Given below is a simple diagram of the human kidney cut open longitudinally. Answer the following questions:
c
(v) Write two differences in the composition of the blood flowing through blood vessels A and B.
Write the functional activity of the following structure:
Glomerulus
Answer the following question.
State the role of liver in urea production.
Certain organisms that are aquatic in habitat, tolerate only a narrow range of salinity. What term is given to such animals?
The main nitrogenous waste formed in the human body:
