Mark sees an attacker approaching him with a knife. during his reaction, he experiences increased energy and a faster heart rate. this is caused most directly by

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27-03-2018
Biology

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Mark sees an attacker approaching him with a knife. during his reaction, he experiences increased energy and a faster heart rate. this is caused most directly by

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articunojaz articunojaz · Answer 1 · 2018-03-27T06:16:22+02:00

articunojaz articunojaz

27-03-2018

The answer to this is adrenaline and noradrenaline. This is because Mark is scared and is ready to defend himself if nescassary. He has anxiety that he will get attacked but is ready to take on the attacker.

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