Uganda, Feb. 12 -- Cardio, or cardiovascular exercise, refers to any workout that improves the health of the heart and blood vessels.

Cardio includes all exercises that increase one's heart rate and breathing, so that higher amounts of oxygen are sent to the muscles. Some examples of cardio workouts include jogging, cycling, swimming, aerobics, dancing and team sports such as football, among others.

Because cardio workouts improve the health of the heart and blood vessels, they help in reducing the incidence of cardiovascular diseases by strengthening the heart muscle, the walls of blood vessels and lessen diseases such as heart disease, heart attack and stroke, among others. Experts say cardio also improves cognitive function.

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