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प्रश्न
Define the following:
Excretion
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उत्तर १
During different metabolic activities taking place in our body, the body produces many substances, of which some are useful and some are useless.
The process of removing useless and harmful metabolic waste substances is called excretion.
उत्तर २
The process of removal of chemical wastes (Mainly Nitrogenous) from the body is known as ''excretion''. It plays an important role in maintaining the homeostatic (steady-state) condition of the body.
संबंधित प्रश्न
Tick the most appropriate answer.
Plants maintain the concentration of sap inside their body with
Fill in the blank.
.................. are a pair of reddish-brown, bean-shaped structures that lie on either side of the backbone.
Fill in the blank.
.................. carries urine from the kidney to the urinary bladder.
The given diagram represents a nephron and its blood supply. Study the diagram and answer the following question :
Name the two main stages of urine formation.
Draw a neat and well labeled diagram of human excretory system.
Name the Following
A process by which the unwanted nitrogenous wastes are eliminated from the body.
Complete the following sentence with appropriate words:
Sweat formed in the sweat glands passes into the sweat duct which opens to the outside at the surface of the skin by means of ______.
______ gland is located above the kidney.
Name the process and the organ which helps in removing the following wastes from the body.
- Carbon dioxide
- Undigested food
- Urine
- Sweat
Read the following terms given below.
| root hairs | xylem | urethra |
| arteries | kidneys | veins |
| atria | capillaries | heart |
| ureter | phloem | urinary bladder |
Group the terms on the basis of the categories given below.
- Circulatory system of animals.
- Excretory system in human.
- Transport of substances in plants.
