[Solved] The only involvement syndicated crime has with legitimate and quasi-legitimate businesses is in the areas of gambling (casinos) and pornography. Neural Impulse: The electrical signal that travels along the neuron's axon to communicate with other neurons or muscles. Hindbrain: The posterior part of the brain comprising structures such as the cerebellum and medulla oblongata, involved in vital functions like heartbeat and breathing. Breathing: The physiological process of inhaling and exhaling air to facilitate gas exchange within the respiratory system. Enriched Environments: Settings or conditions that provide increased sensory, cognitive, and social stimulation compared to more impoverished or standard environments, often used in animal and human studies to assess the impact on development and behavior.