Final answer:
In a complex behavior such as escaping from a burning building, virtually all brain systems are typically involved, including sensory, emotional regulation, cognitive processing, and motor systems.
Step-by-step explanation:
The question at hand pertains to the complexity of brain systems involved in carrying out a complex behavior, such as escaping from a burning building. In such a scenario, virtually all brain systems are typically involved. This is because escaping from a burning building is not a simple, one-process action. It involves perception (seeing or smelling smoke), emotion (fear, urgency), cognition (quick decision-making, planning an escape route), and action (physically moving away from danger). Therefore, the sensory systems, emotional regulation systems, cognitive processing systems, and motor systems all work in conjunction to ensure survival.