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प्रश्न
Define the following term:
Osmoregulation
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उत्तर
The kidney while removing wastes like urea from the blood also regulates its composition, i.e., the percentage of water and salts. This function is called osmoregulation.
संबंधित प्रश्न
Name a waste gas released by the plants only during the night time.
What does the bladder in our body do?
Name the main nitrogenous waste in the human blood. How is it removed from the blood?
The organs A of a person have been damaged completely due to which too much of a poisonous waste material B has started accumulating in his blood, making it dirty. In order to save this person's life, the blood from an artery in the person's arm is made to flow into long tubes made of substance E which are kept in coiled form in a tank containing solution F. This solution contains three materials G, H and I in similar proportions to those in normal blood. As the person's blood passes through long tubes of substance E, most of the wastes present in it go into solution. The clean blood is then put back into a vein in the arm of the person for circulation.
(a) What are organs A?
(b) Name the waste substance B.
(c) What are (i) E, and (ii) F?
(d) Name G, H and I.
(e) What is the process described above known as?
Name the following:
The outer region of kidney containing the Bowman's capsule.
Choose the odd one out in the following series:
Proximal convoluted duct, loop of Henle, vein.
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Why does the cortex of the kidney show a dotted appearance?
Answer the following question:
Explain the human excretory system with the help of a suitable diagram.
Complete the following sentence with appropriate word:
Human kidney is made up of ______.
What would happen if green plants disappeared from earth?
