View full size image. The endocrine system is the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.he endocrine system affects almost every organ and cell in the body, according to the Merck Manual. Although the hormones circulate throughout the body, each type of hormone is targeted toward certain organs and tissues, the Merck Manual notes.
(See Roll of arms). Heraldry (/ËhÉrÉldri/) is a broad term, encompassing the design, display, and study of armorial bearings (known as armory), as well as related disciplines, such as vexillology, together with the study of ceremony, rank, and pedigree.
Naval heraldry. Naval heraldry is a form of identification used by naval vessels from the end of the 19th century onwards, after distinguishing features such as figureheads and gilding were discouraged or banned by several navies.