Conversion between metric and English units. 1 meter (m) = 39.4 inches = 1.09 yards; 1 yard = 0.92 m. 1 centimeter (cm) = 0.39 inches; 1 inch = 2.54 cm. 1 millimeter (mm) = 0.039 inch = 39/1,000 inch; 1 inch = 25.4 mm. 1 micrometer or micron (um) = 0.000039 inch = 39/1,000,000 inch;
Lifelong physical activity, is also an activity that you enjoy and can do for the rest of your life to keep fit. It can involve participating in a range of physical activities that enhances your health.
What additional research is under way on the relationship between physical activity and cancer? What is physical activity? Physical activity is defined as any movement that uses skeletal muscles and requires more energy than does resting. Physical activity can include working, exercising, performing household chores, and leisure-time activities such as walking, tennis, hiking, bicycling, and swimming. Physical activity is essential for people to maintain a balance between the number of calories consumed and the number of calories used.