Answers

2016-07-27T23:23:55+08:00
Before excercising your heat beat is very slow or that much heart beat fast and tehn after taking a exercise your heart will beat very afstĀ 
because our heart is very sensitive in different ways but it's helful to our body...sometimes our body need to be exercised to be strong
thats all thank you i hope u understand may answer sorry for the mistaken grammar
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