MouthCavityBudDiscOutercelllayerJellylikelayerInnercelllayerTentacleBodystructurecelllayersareorganizedintotissueswithspecificfunctions-truetissues-innerlayermainlyassistsindigestion-surroundstheGASTROVASCULARCAVITYMouthTentacleCavityBudDiscOutercelllayerJellylikelayerInnercelllayerBodystructuretwocellslayersallowseasydiffusionof:-...