Listening Comprehension: Radio Program Transcript for Teachers

Topics: Vitamin, Vitamins, B vitamins Pages: 3 (2480 words) Published: November 2, 2014
Good afternoon and welcome to another edition of You and Your Body. The topic of todays program is vitamins, one of the basic components of the human body, and one that still mystifies many people... at least thats what the letters from listeners show. Today we will try to answer as many of your questions as possible. So. what are vitamins Well, vitamins are one of the five elements essential for a healthy body. The others are proteins, which we get from meat carbohydrates, which we get from pasta and bread fats and minerals. Actually, the name vitamin comes from Latin vita which means life, Now, before we go on, let me clarify something. Some people may believe that vitamins and minerals are similar because theyre combined in the various food supplements on the market. But theyre not. Vitamins are organic compounds, whereas minerals are inorganic substances. For example, calcium is a mineral, not a vitamin. Actually, even vitamins differ from one another in their chemical composition and the way they act. Nevertheless, we can see two main vitamin groups fat-soluble and water-soluble, that is, vitamins that can dissolve either into fat or into water. Lets have a closer look at those two groups. Fat-soluble are vitamins A, D, E and K. Their common characteristic is that the body can store them in fat in the liver and in the kidneys. So we dont need to take them on a daiiv basis. Water-soluble are vitamin C and rhe vitamin B complex. The body cannot store them, so we must make sure that they are contained in our daily diet. Why are vitamins so important The main reason is that vitamins help the metabolism of three of the important elements we mentioned before proteins, carbohydrates, and fats. In other words, without vitamins the body cannot process these essential substances. Vitamins also help the body create blood cells, hormones, chemicals in the nervous system and genetic material. Unfortunately, we still dont know much about the complex ways in which vitamins...
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