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प्रश्न
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
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उत्तर
(i) 3. Bowman’s capsule.
(ii) 6. Renal vein.
(iii) 8. Distal convoluted tubule with blood capillaries.
(iv) 7. Collecting tubule.
(v) 2. Proximal convoluted tubule with blood capillaries.
संबंधित प्रश्न
The kidneys in human beings are a part of the system for ______.
Correct the statement by changing the underlined word.
Normal pale colour of the urine is due to the presence of the pigment Melanin.
Why is it necessary to maintain a normal osmotic concentration of the blood?
Differentiate between the following pairs of term :
Renal cortex and renal medulla
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Mention two functions of the kidney.
Differentiate between:
Renal cortex and Renal medulla.
Give Technical Term:
The organ in man concerned with maintaining water balance in the body.
Write the functional activity of the following structure:
Glomerulus
Choose the correct option.
Visceral layer : Podocytes :: PCT : ________.
Explain the importance of soil for plant growth.
