Internal anatomy of a bird booklets! This learning resource contains a two booklets for the internal parts of a bird- a blank student workbook and a resource/ answer book with information on each organ. Internal organs included in this booklet: bird, brain, spinal cord, heart, respiratory system, trachea, lungs, digestive system, esophagus, crop, gizzard, liver, bile duct, pancreas, intestines, cloaca, kidney, and ureter. If you would like to expand on this topic, check out my internal parts of