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प्रश्न
Find the odd one out. Give a reason for your choice.
ureter, kidney, urinary bladder, lung, urethra
उत्तर
lung, because all others are organs of the excretory system and it is a respiratory organ.
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संबंधित प्रश्न
The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of the lung volumes and capacities.
Study the diagram carefully and explain briefly the following :
Expiratory reserve volume (ERV)
Answer briefly the following:
Why do our body cells require oxygen?
Why is the respiratory system necessary?
Write true or false for the following statement. Rewrite the false statement correctly.
The microscopic air sacs present in the lungs are called bronchi.
Name the following:
A film covering the alveoli of the lungs and lowers the surface tension.
Name the following:
High breathing rate.
Answer the following question.
A student observed that the cockroaches are killed for dissection by simply putting them in soap water. He inquired whether soap is so poisonous. Teacher said it is due to its peculiar respiratory system. How?
Match the following.
| 1. | Digestive System | Kidney |
| 2. | Respiratory system | Brain |
| 3. | Circulatory system | Alimentary canal |
| 4. | Excretory system | Heart |
| 5. | Nervous System | Lungs |
The part where the exchange of gases occurs during respiration is:
What are the most important toxic gases in smoke?
