Baleen is often called whalebone, but that name also can refer to the normal bones of whales, which have often been used as a material, especially as a cheaper substitute for ivory in carving.he whale then pushes the water out, and animals such as krill are filtered by the baleen and remain as food source for the whale. Baleen is similar to bristles and is made of keratin, the same substance found in human fingernails and hair.
Marco Polo (game) The game Marco Polo /ËmÉËrkoÊ ËpoÊloÊ/ is a form of tag played in a swimming pool. The origin of the game is unknown.
Why is the game called Marco Polo? The Marco Polo game is a game of tag played in a swimming pool. One player is blindfolded while shouting Marco.. The other players respond by shouting Polo, and the blindfolded individual has to find one of the other players using his sense of sound and touch.