How can regular physical activity benefit the health of the heart? It will keep the heart from working too hard.
It avoids putting disease causing chemicals in the body.
It will strengthen the heart muscle.
It will help to keep blood pressure within range.

Evaluate the scenarios and select the one that demonstrates the training principle overload. kai swims faster and faster every day. katie stays consistent in her routine. maggie does kickboxing daily so she can win a kickboxing match. sarah usually likes to run, but tries swimming. !