Final answer:
In history, bells used to signal different activities, and having breakfast is crucial for energy and focus.
Explanation:
When we hear the bell and go to open the door, we are carrying out a vital function related to the schedule and routines of the past, where bells signaled different activities.
When we have breakfast, we are fulfilling a basic need for sustenance, which is essential for our energy and concentration throughout the day.
Learn more about Significance of bells and breakfast routines in the past here:
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