Answers

2015-11-17T22:35:44+08:00
The endocrine system produced a gland called Adrenal which produces Adrenaline that prepares the body for action,controls heart rate and breathing in times of emergency. So during emergency there is a sudden secretion of Adrenaline called adrenaline rush that prepares the body for action so there will be additional strength, etc. That will make you feel stronger.
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