<P> Hypercapnia normally triggers a reflex which increases breathing and access to oxygen ( O ) , such as arousal and turning the head during sleep . A failure of this reflex can be fatal , for example as a contributory factor in sudden infant death syndrome . </P>
<P> Hypercapnia normally triggers a reflex which increases breathing and access to oxygen ( O ) , such as arousal and turning the head during sleep . A failure of this reflex can be fatal , for example as a contributory factor in sudden infant death syndrome . </P>
effect of increased carbon dioxide in the blood
effect of increased carbon dioxide in the blood
sudden infant death syndrome
sudden infant death syndrome