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प्रश्न
Fill in the following blank with suitable word:
The organs which extract the nitrogenous wastes from the blood are ..........
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उत्तर
The organs which extract the nitrogenous wastes from the blood are kidneys.
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संबंधित प्रश्न
Name an animal which absorbs oxygen through its moist skin.
Name the procedure used in the working of artificial kidney.
What do kidneys excrete?
Describe the mechanism of urine formation in human excretory system. Draw a labelled diagram to illustrate your answer.
Fill in the blank.
Malpighian body consists of Bowman’s capsule and .....................
Fill in the blank.
....................... are present in the stem of pine tree that make the pinewood strong and durable.
Why is it necessary to maintain a normal osmotic concentration of the blood?
If you donate one kidney to a needy patient, would it cause any harm to you? Give reason.
Study the diagram given alongside and then answer the question that follow:
Name the region in the kidney where the above structure is present?
Choose the correct answer:
Narrow apex of pyramid in kidney is called ___________
Given below is a diagram of a human kidney, cut open longitudinally. Answer the following:
(i) Give definition of excretion.
(ii) Name the unit of kidney.
(iii) Why does the cortex of kidney show dotted appearance?
(iv) List the functions of the kidney.
Choose the odd one out in the following serie:
Column of Bertini, minora calyces, brain.
Study the diagram given alongside and then answer the question that follow:
Name the parts labelled 1, 2, 3, and 4.
Study the diagram given alongside and then answer the question that follow:
Name the stages involved in the formation of urine.
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?
Given below is a simple diagram of the human kidney cut open longitudinally. Answer the following questions:
c
(v) Write two differences in the composition of the blood flowing through blood vessels A and B.
Explain the Term: Glomerulus
Write the functional activity of the following structure: Renal vein
Choose the Odd One Out:
Give two examples of the following:
Bile pigments
