Student Project Figures Figure 11 Pericardium, heart, kidney and stomach regions of Spurilla braziliana. The pericardium bulges in ordinance with the pulsing heart, in which translucent hemolymph transports through and out into the hemocoel body cavity. Image adapted from Miller (2001), annotated by Saoirse Hannam Figure 9 Figure 10 Figure 11 Figure 12