Biology

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Human Liver
Structure and Function
Normally you do not feel it, it does not beat like the heart, neither can we feel it like the lungs when we breathe in and out – nevertheless, it is one of our most important organs: the liver. According to old Germanic interpretations, the liver is supposed to be the seat of life. And traditional Chinese medicine considers it not only an organ for metabolism, but the seat of the soul. The German idiom for the English question asked to a cross person “What’s eating you” is about ”What louse crawled over your liver?” In the above context this seems quite apt. Bur whether it is the seat of life or soul, the liver is certainly a multi-talent. More than 200 functions are attributed to it when it comes to supplying our body with food or eliminating foreign substances from it.
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Air Traffic
Being able to fly has been a dream of humanity from time immemorial. But it does not even date back a century that people actually started being able to travel through the air. Since the 1960s, the number of flight passengers has been constantly increasing. Thus, the airspace is no longer dominated by birds but by man-made flying objects.
Product Piracy
Counterfeiting takes place in almost all economic sectors – textiles, watches, car parts, machine parts, tools, accessories, software and medicines. Some counterfeits are easy to recognise, others are so well-executed that even experts have difficulty distinguishing between original and imitation. This DVD covers the development of a product from idea to manufacture. Once a product has become a trademark, product pirates appear on the scene.
