Jessica's grandmother has begun to notice her hands and feet become numb more often when she sits for long periods of time. In what types of activities should she participate that would most benefit her cardiovascular system?

Endurance exercises, such as walking, swimming, or cycling, make the heart and lungs work steadily over time and are especially beneficial for cardiovascular fitness. They also encourage circulation throughout the body. Strengthening, stretching, and balance exercises can be useful too, but endurance exercise most directly targets the cardiovascular system.

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