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प्रश्न
Complete the following sentence with appropriate word:
The sum total of all the chemical reactions taking place in the cell is known as ______.
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उत्तर
The sum total of all the chemical reactions taking place in the cell is known as Metabolism.
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संबंधित प्रश्न
Write the functions of Kidney
What gaseous waste products are excreted by plants?
Where is the dirty blood in our body filtered?
What job is done by the kidneys?
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?
Explain the difference between the excretory system of humans and plants.
Choose the odd one out in the following series:
Renal fat, renal capsule, nerve.
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
Name the Following
The blood vessels which brings pure blood to the kidneys:
Complete the following sentence with appropriate word:
Besides excretion, the kidneys also carry out the important function of ______.
