Final answer:
The line 'For example, Do give your body plenty of sleep, healthy food, and moderate exercise.' could be removed without changing the passage's meaning, which focuses on the body's stress response and the hormonal regulation involving epinephrine and norepinephrine.
Step-by-step explanation:
The line from the text that could be removed without changing the overall meaning of the passage is "For example, Do give your body plenty of sleep, healthy food, and moderate exercise." This line is more of a suggestion for maintaining good health rather than a description of the stress response itself. The passage focuses on the body's stress response, specifically the release of hormones such as epinephrine and norepinephrine and their effects on the body, like increased heart rate and preparedness for the "fight-or-flight" response. Therefore, removing the aforementioned line does not alter the primary information about the hormonal regulation of stress.