Endocrine System Introduction. The endocrine system is made up of glands that produce and secrete hormones, chemical substances produced in the body that regulate the activity of cells or organs.he major glands of the endocrine system are the hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs (ovaries and testes).
The Heptarchy, according to Bartholomew's A literary & historical atlas of Europe (1914) The Heptarchy is a collective name applied to the seven petty kingdoms of Anglo-Saxon England from the Anglo-Saxon settlement of Britain in 5th century until their unification into the Kingdom of England in the early 10th century. The term Heptarchy alludes to the tradition that there were seven Anglo-Saxon kingdoms, usually enumerated as: East Anglia, Essex, Kent, Mercia, Northumbria, Sussex and Wessex. The Anglo-Saxon kingdoms eventually unified into the Kingdom of England. The historiograph
Definition of oligarchy. plural. oligarchies. 1 : government by the few The corporation is ruled by oligarchy. 2 : a government in which a small group exercises control especially for corrupt and selfish purposes a military oligarchy was established in the country; also : a group exercising such control An oligarchy ruled the nation.