Question

While walking down the street, a cat jumps out of an alley into the pathway of an adult. They note that the man's heart is "racing." This physiologic response is primarily due to__________.

Answer 1

Answer: The palpating heart race response is due to the sympathetic nervous system controlling the body's fight-or-flight reactions. 

Explanation:

The sympathetic nervous system is in charged of controlling the body's fight-or-flight reactions. When facing a threat, these responses defaultly prepare our body to flee from danger or face the threat head-on.

Many of the physiological responses you experience during times of emotional streaming, such as sweaty palms or a racing heartbeat, are regulated by the sympathetic nervous system, a branching of the autonomic nervous system.