Excretory/Endocrine/Frog Dissection Quiz Review Sheet Vocabulary: Dorsal Ventral Amphibian Epidermis Dermis Urea Ureter Urethra Hormones Excretory system Endocrine system Pituitary and hypothalamus – are located…. HGH Thyroid Adrenals Pancreas Vomerine teeth Facts and Concepts: # of chambers of frog’s heart? # of lobes of liver? Structure Function of organs Adaptations of the frog to be able to live in different environments. Anatomy/Dissection: Know the anatomy of the frog so that you can identify any organ.