!! used as default html header if there is none in the selected theme. Vrai/faux respiration

Vrai/faux respiration

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.  Respirer consiste à absorber du dioxyde de carbone et à rejeter du dioxygène.
.  La trachée fait suite à la bouche et au nez.
.  La quantité d'air inspirée par minute n'augmente pas quand on fait un effort.

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