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Muscle Actions Expiration Diaphragm Relax Internal Intercostals Contract

During expiration, the diaphragm relaxes, the internal intercostals contract, and the abdominal muscles contract.

Le diaphragme se relâche, les intercostaux internes se contractent, les muscles abdominaux se contractent.

Front muscle actions for expiration
Back diaphragm relax, internal intercostals contract, abdominal muscles contract 

Tags: 6_4_gas_exchange

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