<span>Since I do not know your maximum heartrate ill give you the standard. For vigorous-intensity physical activity, a person's target heart rate should be 70 to 85% of his or her maximum heart rate.</span>
Answer:
the video describes an unhealthy heart as being enlarged.
Explanation:
duh i watched the video
Answer:
Fear (from a quick Google search): "An unpleasant feeling triggered by the perception of danger, real or imagined."
Simply put, fear keeps us safe (or at least tries to). It helps keep us on the lookout for things that could be of harm to us.
detoxification is the answer.