It tell us the minimum heart rate for cardiovascular exercises
It shows us the heart rate that we need to achieve in order for our body to increase its metabolism above normal state, which resulted in increased calories burning.
From the inside or lumen, through the gut wall into the blood
I would say that if she is being mean you can first try to talk it out with her (because relationships may take work sometimes and if she is really important both of you will be willing to put in the work), but if that doesn't go well and you really don't think it is going to work you should go to your other friends or family for support especially if she was a very important part of your life.
<span> is a </span>court summons<span> ordering the recipient to appear before the court and produce documents or other tangible </span>evidence<span> for use at a </span>hearing<span> or </span>trial<span>.</span>