Trachea to air sacs. Many insects, such as grasshoppers and bees, which actively pump the air sacs in their abdomen, are able to control the flow of air through their body. In some aquatic insects, the tracheae exchange gas through the body wall directly, in the form of a gill, or function essentially as normal, via a plastron. Note that despite being internal, the tracheae of arthropods are lined with cuticular tissue and are shed during moulting (ecdysis). In 2008, a Colombian woman, Claudia Castillo (30), received a trachea transplant using her own stem cells. Between 2011 and 2014 Paolo Macchiarini
What Is Love What Is Love "What Is Love" is a song recorded by Trinidadian-German Eurodance artist Haddaway for his debut album, "The Album". The song is recognizable by its refrain "What is love? Baby don't hurt me, don't hurt me... no more." It was a massive hit in Europe, becoming a number-one hit in at least 13 countries and reaching number two in Germany, Sweden, and the United Kingdom. Outside Europe, the song was moderately successful, reaching number 11 in the United States, number 12 in Australia, number 17 in Canada, and number 48 in New Zealand. "What Is Love" was written