False.
Using birth control may be affective for whom are in there twenties or older because, there bodies have already fully developed and the have a normal cycle.
Teen's that use birth control have a higher chance of getting pregnant because, there bodies aren't mature or is there cycle. This is why it's false.
In many cases females become pregnant even when on birth control, birth control can't prevent pregancy most of the time. It's not rare for a feamle on birth control to get pregnant.
An abnormal<span> heart </span>rhythm<span> is when your </span>heart beats<span> too fast, slow, or irregularly.
I hope this helps!</span>
B: easily digestible carbohydrates. carbs usually take a long time to digest but give you good energy. many people will have pasta for dinner the night before a game.