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NEET 2020 Biology Paper

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Question : 22

Total: 90

Select the correct events that occur during inspiration.
(a) Contraction of diaphragm
(b) Contraction of external inter-costal muscles
(c) Pulmonary volume decreases
(d) Intra pulmonary pressure increases

(c) and (d)
(a), (b) and (d)
Only (d)
(a) and (b)

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