<prompt> Circuit for spontaneous respiration in adults:Mapleson AMapleson CMapleson DMapleson E  <response>: Ref. Oxford textbook of anesthesia. Page. 330 Spontaneous respiration: AD,EC BIPPV :DE B C AMapleson A :For adultMagill systemFlow rate Minute volumeMapleson B: - not usedMapleson C :Water systemChoice in Post operative roomMapleson D:Bain Coaxial systemMost effective in assisted control ventilationMapleson E:Ayres T tubeInfants and young children 