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प्रश्न
What is the function of excretory system in humans?
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उत्तर
The main function of excretory system is to remove waste and harmful by-products of the normal metabolic processes from the body.
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संबंधित प्रश्न
The Biological/technical term for The removal of nitrogenous wastes from the body
The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :

(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).
Fill in the following blank with suitable word:
Gums and resins are the .......... products of plants.
Given below is a set of five terms. Rewrite the terms in their correct order so as to be in logical sequence.
Afferent arteriole, renal vein, secondary capillary network, glomerulus, efferent arteriole.
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1 to 8 are as follows:
1. Afferent arteriole from renal artery
2. efferent arteriole
3. Bowman’s capsule
4. Glomerulus;
5. Proximal convoluted tubule with blood capillaries;
6. Distal convoluted tubule with blood capillaries;
7. collecting tubule;
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Where does ultrafiltration take place?
Choose the correct answer:
What happens if one kidney is removed from the body of human being?
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:
Name the functional units of the kidneys.

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'.

Study the diagram given alongside and then answer the question that follow:

Name the stages involved in the formation of urine.
Study the diagram given alongside and then answer the question that follow:

What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
Name the Following
The structural and functional units of kidney
Give Technical Term:
The tube joining the kidney to the urinary bladder.
State the Location: Medulla of Kidney
Write the functional activity of the following structure: Kidney
The tadpole of frog lives in water, hence its mode of excretion is ______.
Osmoregulation maintains the osmolarity of blood at about ______.
Elimination of nitrogenous wastes in the form of uric acid takes place in ____________.
Explain the importance of soil for plant growth.
