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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?
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.
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संबंधित प्रश्न
Where is the dirty blood in our body filtered?
What job is done by the kidneys?
Fill in the blank.
....................... are present in the stem of pine tree that make the pinewood strong and durable.
Look at the figure given bellow, it is a section of human kidney as seen from the front.
Is it a longitudinal section or a cross-section?
Differentiate between:
Ureter and Urethra.
Study the diagram given below and then answer the questions that follow:
 |
- Name the region in the kidney where the above structure is present?
- Name the parts labelled 1, 2, 3 and 4.
- Name the stages involved in the formation of urine.
- What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
Name the Following
The blood vessels which brings pure blood to the kidneys:
Name the Following
The process by which kidneys regulate the water content of the body.
Complete the following sentence with appropriate word:
The U-shaped portion of a nephron located in the medulla region is called ______.
Choose the correct option.
In human beings, uric acid is formed due to metabolism of ______.
