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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