<prompt> Maplesons classification of anesthetic breathing systemDescribes four systems A, B, C, DClassifies the Bain system as MaplesonDescribes the T-piece as MDescribes the T-piece system as requiring a fresh gas flow rate of 1.5 2 times the minute volume  <response>: The Mapleson D may be described as a co-axial modification of the basic T-piece system, developed to facilitate scavenging of waste anaesthetic gases.Circuit 