A mistake could be the fact that exercise over time lowers your resting HR. so even though for the period of time that you are exercising your heart is beating more, the rest of the time your heart will be beating less, therefore "using less of your heart beats"
Answer:
because of the food we consume on daily bases
You have auto correct in there, but should B of what I can make out
Oh my lord, that's gross... Uh... I'm pretty sure that's an Ovarian Tumor, really... But I may be wrong.