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प्रश्न
Give reason:
Excretion is a necessary process of our body.
उत्तर
- Our bodies need to excrete urea, an extremely toxic nitrogenous waste product.
- Excessive accumulation in the bloodstream can result in death.
- The excretory substances include carbon dioxide (CO2) and water (H2O), nitrogenous metabolic waste, excess salts, and bile pigment.
संबंधित प्रश्न
The diagram given below is that of a structure present in a human kidney.
Study the same and answer the questions that follow:
1) Name the structure represented in the diagram
2) What is the liquid entering part ‘1’ called?
Name two substances present in this liquid that are reabsorbed in the tubule.
3) What is the fluid that comes to part ‘2’ called?
Name the main nitrogenous waste in it.
4) Mention the three main steps involved in the formation of the fluid mentioned in (iii) above
5) Name the substance which may be present in the fluid in part ‘2’ if a person suffers from Diabetes mellitus.
Put a tick mark (✓) against the most appropriate alternative in the following statement :
In human beings, urea is produced in :
Fill in the blank :
Nitrogenous wastes in the urine are in the form of urea and .....................
Explain in your own words with suitable examples.
How is excretion in plants useful to human beings?
Choose the correct answer:
What happens if one kidney is removed from the body of human being?
Choose the odd one out in the following series:
Renal fat, renal capsule, nerve.
Name the Following
The division of the kidney which is light in colour and subdivided into conical renal pyramids.
Choose the Odd One Out:
Osmoregulation maintains the osmolarity of blood at about ______.
When uric acid is produced in excess, it gets deposited in joints, resulting in ____________.
