Final answer:
Environmental cues are the external factors that contribute to and regulate hunger and eating.
Step-by-step explanation:
The smell of food, the appearance of food, the time of day, and the presence of other people who are eating all represent environmental cues that contribute to and regulate the rise and fall of hunger and eating. These cues can trigger hunger even when the body is not necessarily in need of food, such as when seeing or smelling food. The brain plays a crucial role in sorting out and interpreting these cues, ultimately determining whether or not we engage in feeding behavior.
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