
by BaxterThe Heart of the Circus by Marc Chagall*Sometimes it’s easy to equate your cardiovascular system with its engine, the heart. But, as we shall see, it is so much more than that. It’s also common to think of the cardiovascular system as the part us we “exercise” when we do aerobic activities, such as running, biking, and active hiking. But this system is just as essential for quiet times as it is for active ones. And understanding a bit about...