Since we humans are born with the natural development of various systems in the body, according to the age. Cause a variety of capabilities, such as the development of brain, perception, muscle strength, flexibility of the joints, making it possible to walk standing caper as seen in children after the age of 30 years old, but when I go to find that different systems have developed until the highest point and began to go down slowly, regression, especially in those without exercise. In life people work all day like me nang yuen. However the evening tired, he wants to relax. Watch movies, listen to music. Find out whether your body knows it needs to exercise as well.
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