61. Why did the parachutists’ bodies produce a lot of adrenaline and nor adrenaline before they
jumped from a plane?
A. This is a natural reaction which helps to prepare one for sudden activity.
B. Because they had high arousal levels.
C. It is a natural reaction which guards them against the effects of accidents.
D. Because they had taken drugs which led to the production of these two hormones.
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