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.
TS'AI LUN GETS THE CREDIT. The invention of paper is usually attributed to Ts'ai Lun, an official in the Chinese royal court, in A.D. 105. The invention of paper solved a pressing problem of the time.Back then, scrolls of silk were being used as books.S'AI LUN GETS THE CREDIT. The invention of paper is usually attributed to Ts'ai Lun, an official in the Chinese royal court, in A.D. 105. The invention of paper solved a pressing problem of the time.