The given figure illustrates the changes in lung volume during the pro – McqOptions

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1.	The given figure illustrates the changes in lung volume during the process of breathing. The change from Q to R indicates the
A.	Movement of air out of the lungs
B.	Ribs move upward and outward
C.	Expansion of thoracic cavity
D.	Movement of diaphragm away from the lung.
Answer» B. Ribs move upward and outward

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