The ectoderm, the mesoderm and the endoderm (comes from the ICM) the ectoderm: hair, epithelium (nasal, oral, and anal) , cornea, the nervous system, mesoderm: blood, blood vessels, bone, cartilage, ligaments, tendons, fat, lymph, muscles, urogenital system (urerter, gential system), dermis endoderm: the bladder,the lungs, the pancreas, the stomach, and the epithelieum of GI tract