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.
As a luxury item, only royalty had access to toilet paper. The paper was made in 2 ft x 3-ft sheets. The Bureau of Imperial Supplies began producing 720,000 sheets of toilet tissue per year. 1400-1600: In Renaissance Europe, paper was in high demand by the educated and elite society. Paper thus became an essential commodity, but the demand was too great for the supply at the time.