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प्रश्न
Answer the following in short.
What is urethra?
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उत्तर
Urethra is a canal-like opening at the bottom of the urinary bladder through which urine is passed out from the body.
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संबंधित प्रश्न
Henle’s loop plays an important role in concentrating the urine.
Define the following:
Excretion
Name the Following
The gas excreted by the lungs.
Multiple Choice Question: Excretion commonly involves
Differentiate the following.
Excretion and Secretion
Differentiate protonephridia from metanephridia.
What is the CORRECT sequence of the different parts of the nephron from Malpighian corpuscle?
Arrange the following statements in the correct order in which they occur during the formation and removal of urine in human beings.
- Ureters carry urine to the urinary bladder.
- Wastes dissolved in water are filtered out as urine in the kidneys.
- Urine stored in the urinary bladder is passed out through the urinary opening at the end of the urethra.
- Blood containing useful and harmful substances reaches the kidneys for filtration.
- Useful substances are absorbed back into the blood.
Where does the selective reabsorption of Glomerular filtrate take place?
The counter-current mechanism operates in nephron ______.
