
Fig. 5.13. Frog anatomy. Organs labeled by number: (1) Right atrium, (2) Liver, (3) Aorta, (4) Egg mass, (5) Colon, (6) Left atrium, (7) Ventricle, (8) Stomach, (9) Left lung, (10) Spleen, (11) Small intestine, and (12) Cloaca
Image courtesy of Jonathan McIntosh, Wikimedia Commons