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.
Improved self-esteem is a key psychological benefit of regular physical activity. When you exercise, your body releases chemicals called endorphins. These endorphins interact with the receptors in your brain that reduce your perception of pain. Endorphins also trigger a positive feeling in the body, similar to that of morphine. For example, the feeling that follows a run or workout is often described as euphoric.. That feeling, known as a runner's high, can be accompanied by a positive and energizing outlook on life.