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प्रश्न
Name the Following
The structural and functional units of kidney
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उत्तर
Nephrons
संबंधित प्रश्न
Answer the following in detail.
Explain the process of transpiration. Describe some factors that affect it.
Given below is a set of five terms. Rewrite the terms in their correct order so as to be in logical sequence.
Renal artery, urethra, ureter, kidney, urinary bladder.
Define the following term :
Renal pelvis
Choose the correct answer:
The smallest functional unit of the kidney is ____________
Choose the correct answer:
Narrow apex of pyramid in kidney is called ___________
Look at the figure given below. It is a section of human kidney as seen from the front.
Which area/part (give its name and number given on the diagram) which contains the following:
(i) Malpighian capsule
(ii) The pyramids
(iii) Freshly collected urine
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Write two differences in composition of the blood flowing through the blood vessels, 'A' and 'B'.
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?
Answer the following question.
State the role of liver in urea production.
Certain organisms that are aquatic in habitat, tolerate only a narrow range of salinity. What term is given to such animals?
