Internal Anatomy of a Turtle Montessori 3 Part Cards! This learning resource contains three part cards for the internal anatomy of a turtle. Internal organs included in this booklet: turtle, brain, heart, respiratory system, trachea, lungs, digestive system, buccal cavity, esophagus, stomach, liver, gallbladder, pancreas, small intestine, large intestine, kidney, bladder, and cloaca. If you would like to expand on this topic, check out my internal parts of a turtle booklet, student booklet, an