How Does Exercise Affect the Heart? – Strength Magazine – February, 1926

The heart, about the size of a man’s fist, is the most vital organ of our existence. From the cradle to the grave it keeps up its continuous pumping, supplying the whole body with the living fuel. Automatically adjusting itself to the various exigencies that our body demands, this remarkable organ stands out as the greatest wonder of the living age.

Stark CenterUniversity of Texas