Question

why is nephron long and tubular​

Answer 1

Answer:

The 'nephron is the microscopic structural and functional unit of the kidney. It is composed of a renal corpuscle and a renal tubule. ... Diagram (left) of a long juxtamedullary ...

The functional unit of the kidney is the nephron. Each nephron is composed of a renal corpuscle (glomerulus within Bowman's capsule), a proximal tubule (convoluted and straight components), an intermediate tubule (loop of Henle), a distal convoluted tubule, a connecting tubule, and cortical, outer medullary, and inner medullary collecting ducts.1,2 A study of kidney organogenesis using unbiased stereological techniques found that the equine left kidney contains approximately 10 million glomeruli (for a total of 20 million in both kidneys) and, as in other species, the total number of glomeruli do not increase after birth despite continued growth of the kidney (with increasing glomerular size) until about 1 year of age.6 Histologically, equine nephrons are similar in most respects to those of other mammalian species; however, the diameter and epithelial height of the collecting duct segments are comparatively larger. In addition, the equine macula densa (segment of the ascending loop of Henle that lies in close association with the juxtaglomerular apparatus of the afferent arteriole) appears more prominent than that of other mammals.7 Whether these subtle histologic differences are accompanied by functional differences has not been investigated

Answer 2

The main function of the nephron is collection of extra fluid and electrolytes which were absorped during ultrafiltration process in the glomerulus by the process of reabsorption.  

Explanation:

• The reabsorption requires a large amount of surface area for proper functioning. For this reason the nephron is made long.  

• The nephron is made tubular for the easy flow of the liquid and the electrolytes.  

• Also the Tubular nephron incorporates a large number of pumps which are useful for the transport of Ions across it.

Learn more about nephron

Draw a well labelled digram of nephron. Explain the process of formation of urine in the human kidney

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Function of nephron..

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