Which Respiratory-Associated Muscles Would Contract or Relax During Forced Expiration,for

question 91

Multiple Choice

Which respiratory-associated muscles would contract or relax during forced expiration,for example blowing up a balloon?

• A) external intercostals would contract and diaphragm would relax
• B) internal intercostals and abdominal muscles would contract
• C) diaphragm contracts, internal intercostals would relax
• D) diaphragm would contract, external intercostals would relax

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