Internal anatomy of a horse mammal booklets! This learning resource contains a two booklets for the internal parts of a horse- a blank student workbook and a resource/ answer book with information on each organ. Internal organs included in this booklet: horse, brain, spinal cord, heart, respiratory system, nasal cavity, trachea, lungs, digestive system, oral cavity, esophagus, stomach, pancreas, small intestine, large intestine, rectum, kidneys, bladder, and urethra. If you would like to expand