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प्रश्न
Name the three filtration barriers that solutes must come across as they move from plasma to the lumen of Bowman’s capsule. What components of the blood are usually excluded by these layers?
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उत्तर
The three filtration barriers that solutes must come across as they move from plasma to the lumen of Bowman’s capsule are
- Glomerular capillary endothelium
- Basal lamina or basement membrane
- Epithelium of Bowman’s capsule.
- Blood corpuscles and plasma protein are excluded by these layers.
संबंधित प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
The organs that help our body to get rid of the waste are called respiratory organs.
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Match the terms in Column I with those in Column II and write down the matching pairs
| Column I | Column II | |
| a | Bowman's Capsule | Renal artery |
| b | Contains more CO2 and less urea | Regulates amount of water excreted |
| c | Anti-diuretic hormone | Renal Vein |
| d | Contains more urea | Glomerulus |
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Circle the odd one.
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| Column I | Column II | ||
| i. | Proximal convoluted tubule | a. | Formation of concentrated urine |
| ii. | Distal convoluted tubule | b. | Filtration of blood |
| iii. | Henle's loop | c. | Reabsorption of 70-80% of electrolytes |
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| v. | Malpighian body | e. | Counter mechanism |
The Malpighian corpuscle lies in the______ of the kidney.
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Match the parts of the nephron in column I with their function in column II.
| Column I | Column II | ||
| (a) | Loop of Henle | (i) | Ultrafiltration |
| (b) | Proximal convoluted tubule | (ii) | Secretion of hydrogen ions |
| (c) | Distal convoluted tubule | (iii) | Reabsorption of glucose |
| (d) | Bowman's capsule | (iv) | Concentration of urine |
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- Wastes dissolved in water are filtered out as urine in the kidneys.
- Urine stored in the urinary bladder is passed out through the urinary opening at the end of the urethra.
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- Useful substances are absorbed back into the blood.
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Arrange and rewrite the term in the group in the correct order so as to be in a logical sequence, beginning with the term that is underlined.
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