1.

Complete the table given belowInspirationExpiration1Diaphragm2Ribs3Volume of thoracic cavity4Pressure in the thoracic cavity5Air

Answer»
InspirationExpiration
1Contracts and straightensDiaphragmrelaxes
2RaiseRibslower
3IncreasesVolume of thoracic cavitydecreases
4decreasesPressure in the thoracic cavityincreases
5enters inAirexpelled out


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