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Respiration and Circulation — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYRespiration and Circulation1 Mark
MCQ
During inspiration, the diaphragm …………………..
  • A
    relaxes
  • ✓
    contracts
  • C
    expands
  • D
    shows no change
✓

Answer

Correct option: B.
contracts
contracts

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