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Exhalation

Exhalation (synonym: an expiration) – removal in the course of breath of air from lungs.

Allocate an exhalation:

  • Active – the strengthened exhalation which is carried out by reduction of muscles of a stomach and internal intercostal muscles, and in case of the forced exhalation – and muscles of a shoulder girdle;
  • Passive – carried out without participation of muscles by an elastic energy of lungs.
 
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