Heart Adaptation to Exercise
An intricate anatomical illustration showing how the human heart adapts to physical exercise. The image captures the heart's increased size, stronger muscles, and enhanced blood vessels. There are dynamic elements representing endurance, such as a person running or cycling, symbolizing the exercise regimen. The background features subtle scientific diagrams and graphs that highlight improvements in heart rate, stroke volume, and overall cardiovascular efficiency. The color palette includes shades of red and blue to signify blood flow and oxygenation.

