Regular exercising not only keeps the body supple; it strengthens heart and lungs and helps increase relaxation and reduces stress.

I can also say that regular cardiovascular excercise will strengthen your heart and lungs, thus making you more efficient at breathing whether at rest or not.

Your complete home workout should consist of three parts: a cardio section to increase your heart rate and strengthen your heart and lungs; a weight-training section to burn fat and increase muscle tone; and a stretching section to improve flexibility and keep your body supple and limber.

Aerobic exercise strengthens your heart and lungs.

Aerobic exercise helps strengthen your heart, lungs, and muscles.

The course has two steady inclines designed to strengthen your horses' heart, lungs and muscles.

A. Endurance exercise like walking, swimming, or biking is aerobic, as your muscles use oxygen more efficiently to strengthen your heart and lungs.

It affects your mood, weight, sleep, and strengthens your heart and lungs.

Strengthen lungs, and speed them, too-they had barely been sipping the frigid air.

This type of exercise strengthens the heart and lungs and improves the body's ability to use oxygen.