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Question
Explain the structure of nephron.
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Solution
Each kidney consists of more than one million nephrons. Nephrons or uriniferous tubules are structural and functional units of the kidneys. Each nephron consists of Renal corpuscle or Malphigian corpuscle and renal tubule. The renal corpuscle consists of a cup-shaped structure called Bowman’s capsule containing a bunch of capillaries called glomerulus.
Blood enters the glomerular capillaries through afferent arterioles and leaves out through efferent arterioles. The Bowman’s capsule continues as the renal tubule which consists of three regions proximal convoluted tubule, U-shaped hairpin loop, the loop of Henle and the distal convoluted tubule. The distal convoluted tubule which opens into the collecting tubule. The
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RELATED QUESTIONS
Explain the structure of kidney and the steps involved in the formation of urine
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Given is a jumbled list of the parts of a certain body structure - Loop of Henle, Bowman’s capsule, distal convoluted tubule, glomerulus, proximal convoluted tubule.
- Name the structure to which the listed parts belong.
- Rearrange the parts in their proper sequence from the starting point to where they end.
Write down the functional activity of the following parts:
Collecting duct
Match the items in Column I with those in Column II and write down the matching pairs.
| Column I | Column II | ||
| (a) | Bowman's capsule | (i) | Renal artery |
| (b) | Contains more CO2 and less urea | (ii) | Regulates amount of water excreted |
| (c) | Antidiuretic hormone | (iii) | Renal vein |
| (d) | Contains more urea | (iv) | Glomerulus |
