Different types of hormones are secreted in the body, with different biological roles and functions. A hormone (from the Greek participle âá½ÏÎ¼á¿¶Î½â) is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.
exists and is an alternate of . A simple reason for the invention of the stapler would be to ease our work and keeping all the documents together. It was invented when a lot of paperwork started taking pace and need to keep them together increased. King Louis XV invented the first stapler in 18th century.
1 The finished product can be as soft as kleenx or as durable as Kraft paper, sometimes called butcher's paper.  Other plants such as cotton and linen can also provide fibers of suitable nature. These fibers are often used to make very high quality paper such as is used in paper currency. High quality paper often has content noted as containing so much rag this refers to the proportion of linen and cotton fiber in with the wood fiber.</li><li>Novelty papers are often made of unusual fibers.