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.
Similarities:
• the eye and the ear are both passive structures
• the eye and the ear both respond to brain commands
Differences
• eyes relay the location and movement of objects in our visual field and the ears convey information about the actions of objects both in and outside of our visual field
• eyes are designed to sense light, while the ears are equipped to detect sound
Heart beat that is too slow
Explanation:
Bradycardia is a slower than normal heart rate.
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