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प्रश्न
What do kidneys excrete?
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उत्तर
Kidneys remove the poisonous substance (urea), other waste salts and excess water from the blood, and excrete them in the form of urine.
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संबंधित प्रश्न
The nephrons discharge their urine at ______.
The diagram given below shows the male urinogenital system of a human being. Study the diagram and answer the questions that follow:
(i) Label the parts numbered 1 to 8.
(ii) Name the corresponding structure of part (4) in female reproductive system.
(iii) What is the role of part 7?
Differentiate between the following pair on the basis of what is indicated in the bracket.
Ureter and Urethra [function]
Name the procedure used in the working of artificial kidney.
State whether the following statement is true or false:
Some organisms store wastes in body parts.
What is the role of glomerulus in the kidney?
What is the function of excretory system in humans?
Explain the principle of dialysis with the help of a labelled diagram.
Why is excretion necessary in living beings?
Write down the functional activity of the following parts,
Henle's loop ………………
Choose the correct answer:
What happens if one kidney is removed from the body of human being?
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 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:
Which structure (normally) contains the lowest concentration of glucose?
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.
Name the Following
The Inner concave margin of kidney.
Choose the Odd One Out:
Choose the Odd One Out:
Plants use completely different process for excretion as compared to animals. Which one of the following processes is NOT followed by plants for excretion?
“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason.
Name the following;
Three nitrogenous wastes of our body.
