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प्रश्न
Name the two waste products of the human body which are produced in the body cells.
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उत्तर
The two primary waste products produced directly within human body cells during metabolism are carbon dioxide (CO2) and urea.
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संबंधित प्रश्न
Explain the term haemodialysis.
How is the amount of urine produced regulated?
The form in which glucose in stored in liver.
Explain Selective reabsorption
What is the role of glomerulus in the kidney?
What is the function of excretory system in humans?
Name the following:
The part of kidney tubules where the term urine is first used for the fluid in it.
Write down the functional activity of the following parts,
Renal artery ………………
Explain the difference between the excretory system of humans and plants.
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?
Give Technical Terms
The hormone that helps increase the reabsorption of water from the kidney tubules.
Complete the following sentence with appropriate word:
Besides excretion, the kidneys also carry out the important function of ______.
Complete the following sentence with appropriate words:
The outer surface of the kidney is ______ while the inner surface is ______.
Write the functional activity of the following structure:
Glomerulus
Choose the Odd One Out:
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
Choose the correct option.
Specific gravity of urine would _______ if level of ADH increases.
The process of diffusion of solvent particles from the region of less solute concentration to a region of high solute concentration through a semi-permeable membrane is known as ____________.
In a person the tubule part of the nephron is not functioning at all. What will its effect be on urine formation?
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
