[Solved] The_____________ system is a system that provides information to upper- level managers on the overall performance of the firm. Mechanical: Pertaining to the design, operation, and use of machines or tools. Physical: Relating to the body as opposed to the mind or emotions, or being in a material state. Occult Blood: Blood that is not visible to the naked eye, often detected in stool or urine samples through laboratory tests. Peristalsis: The series of wave-like muscle contractions that moves food through the digestive tract.