The diagram above shows which phenomenon of r | vedclass

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(C) The diagram shows the diaphragm moving upwards (dome-shaped) and the rib cage moving inwards and downwards. This indicates a decrease in the thora

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Expiration: Relaxation in diaphragm and external intercostal muscles

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(C) The diagram shows the diaphragm moving upwards (dome-shaped) and the rib cage moving inwards and downwards. This indicates a decrease in the thoracic volume,which leads to an increase in thoracic pressure,causing air to be expelled from the lungs. This process is known as expiration. Expiration occurs when the diaphragm and external intercostal muscles relax,returning the diaphragm and sternum to their normal positions.

The diagram above shows which phenomenon of respiration?

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