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प्रश्न
The question has four options. Choose the correct answer:
During respiration, the diaphragm
पर्याय
relaxed to become dome-shaped
Contracts and flattened
expands
shows no change
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उत्तर
shows no change
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संबंधित प्रश्न
Which gases are exchanged in your lungs?
Given alongside is a diagrammatic sketch of a kind of part in human lungs.
What do the arrows 5 and 6 indicate?

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)
Write true or false for the following statement. Rewrite the false statement correctly.
The microscopic air sacs present in the lungs are called bronchi.
The question has four options. Choose the correct answer:
Larynx acids as
What is respiration?
Bronchi are supported by ____________.
Carefully study the diagram of the human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and /or characteristic.

Intake of oxygen from the air and releasing of carbon-di-oxide from the lungs occur through nostrils is called internal respiration.
Diaphragm forms the ______ of the chest cavity.
