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प्रश्न
Why is it necessary to excrete waste products?
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उत्तर
- Certain waste and toxic products are formed during the functioning of body cells. Waste products like urea are toxic.
- When these toxic materials are not removed from the body, they get mixed with blood and can damage the cells of the body.
- It is necessary to remove such poisonous waste materials from our bodies.
- Some harmful substances are produced in the body as part of biological processes. It is very important to remove them from the body, otherwise poison will be produced in the body which can lead to death.
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संबंधित प्रश्न
Describe the structure of nephrons.
How is the amount of urine produced regulated?
Name the Following
The organ which produces urea.
Name a waste gas released by the plants only during the day time.
State whether the following statement is true or false:
Some organisms store wastes in body parts.
Draw a neat labelled diagram of the human excretory system.
What is urethra?
Choose the correct answer:
Narrow apex of pyramid in kidney is called ___________
Name the Following
The division of the kidney which is light in colour and subdivided into conical renal pyramids.
Plants use completely different process for excretion as compared to animals. Which one of the following processes is NOT followed by plants for excretion?
