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.
during the last 500 years the quantity of paper being produced has increased dramatically but the chemical composition of modern paper causes it to turn yellow and crumble faster paper can be made from almost any form of cellulose that can be shredded into tiny fibers and mixed into a watery pulp since cellulose is found in all plants most plant matter can be used to make paper