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