{TAIL ~ The system} 2200 includes a mask 2208, a first deadspace 2204, a second deadspace 2204, a first orifice 2212, airflow control conduit 2220, a third orifice 2218, a CPAP machine 2210, {HEAD ~ a connection setup panel} 2202 
{ TAIL ~ The system } 2200 includes a mask 2208 , a first deadspace 2204 , a second deadspace 2204 , a first orifice 2212 , airflow control conduit 2220 , a third orifice 2218 , a CPAP machine 2210 , { HEAD ~ a connection setup panel } 2202
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