Assertion: snorkel | /r/Causes | increase
Facets:
value: in the concentration of co2
type: OTHER
value: in the inspired gas
type: OTHER
Source sentences:
text: A snorkel adds an additional dead space of 160-170 ml and causes an increase in the concentration of CO2 in the inspired gas due to expired air trapped in the snorkel which is then re-inspired Freediving is usually separated from snorkeling by intent; snorkeling is more casual and freediving more extreme.
text: A snorkel adds an additional dead space of 160-170 ml and causes an increase in the concentration of CO2 in the inspired gas due to expired air trapped in the snorkel which is then re-inspired As inidcated above, a snorkel increases the dead air volume that already exists in your trachea and mouth where no O2 exchange can occur.
text: A snorkel adds an additional dead space of 160 - 170 ml and causes an increase in the concentration of CO 2 in the inspired gas due to expired air trapped in the snorkel which is then re-inspired.