Have you ever tried to hold your breath for a long time and then let it out slowly? This is one of the techniques of an 【C1】______ Indian discipline known as Yoga. For thousands of years, people have used Yoga to help search for happiness and【C2】______. Students of Yoga often study for as long as 20 years【C3】______ becoming masters, or Yogis. They learn many different physical exercises. These exercises are【C4】______ to put the students【C5】______ good physical condition. Then they can concentrate on deep religious thoughts【C6】______ worrying about physical【C7】______. Many Yoga exercises involve【C8】______ the body into difficult positions. Some of them are very【C9】______ to learn. Have you ever tried to【C10】______ your legs over one another? Most of people find it difficult to stay in that position for even a few minutes. But Yogis train themselves to【C11】______ in one position for hours or even days. They are taught to【C12】______ the difficulty of holding these positions. Other exercises and rules【C13】______ concentration. Yogis feel this is the key to find 【C14】______ peace. They【C15】______ that it makes them feel relaxed and【C16】______. Some people say that【C17】______ makes them feel better—just as good exercise【C18】______. But other people think that it is a way of achieving a strong【C19】______ feeling. These people say that meditation helps them【C20】______ much closer to God. 【C1】