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प्रश्न
Define excretion. Write the four organs of the human urinary system in their correct sequence.
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उत्तर
The process of elimination of unwanted and toxic products from the body is called excretion.
The four organs of the urinary system from above to downward are:
- kidneys
- ureter.
- urinary bladder
- urethra.
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संबंधित प्रश्न
What is a uriniferous tubule? How does it function?
Choose the correct answer:
Orinithin cycle operates in ________
Given below is the figure of certain organs and associated parts in the human body. Study the same and answer the question that follow:
Name the two major steps involved in the formation of the fluid that passes down the part labeled '3'.
Sketch and label the ultrastructure of nephron.
Choose the correct option.
Person suffering from kidney stone is advised not to have tomatoes as it has _______.
Which among the following procedures is used for cleaning the blood of a person by separating the waste substance from it?
Match the terms given in Column I with their physiological processes given in Column II and choose the correct answer
| Column I | Column II |
| A. Proximal convoluted tubule | i. Formation of concentrated urine |
| B. Distal convoluted tubule | ii. Filtration of blood |
| C. Henle's loop | iii. Reabsorption of 70 - 80% of electrolytes |
| D. Counter-current mechanism | iv. Ionic balance |
| E. Renal corpuscle | v. Maintenance of concentration gradient in medulla |
Show the structure of a renal corpuscle with the help of a diagram.
Name the following:
The organ through which urea is released outside the body of a human being.
Which of the following diagrams is correct with regard to the proximal (P) and distal (D) tubule of the Nephron.
