Advertisements
Advertisements
प्रश्न
Why is excretion necessary in living beings?
Advertisements
उत्तर
The excretion is necessary because the toxic products if allowed to be retained in the body act as poison and cause great harm to the body. If they exceed the threshold, they may even cause death.
APPEARS IN
संबंधित प्रश्न
Name the procedure used in the working of artificial kidney.
Describe the mechanism of urine formation in human excretory system. Draw a labelled diagram to illustrate your answer.
What is urethra?
Fill in the blank :
Nitrogenous wastes in the urine are in the form of urea and .....................
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Where is most water reabsorbed ?
Choose the Odd One Out:
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
Osmoregulation maintains the osmolarity of blood at about ______.
Plants use completely different process for excretion as compared to animals. Which one of the following processes is NOT followed by plants for excretion?
Give two examples of the following:
Nitrogenous waste
