The primary function of the thyroid is the production of the iodine-containing thyroid hormones, triiodothyronine (T3) and thyroxine (T4) and the peptide hormone calcitonin. 1  T3 is so named because it contains three atoms of iodine per molecule and T4 contains four atoms of iodine per molecule.
David Livingstone was born on March 19, 1813, in Blantyre, South Lanarkshire, Scotland, and grew up with several siblings in a single tenement room.
Abel Janszoon Tasman (. [ËÉbÉl ËjÉnsoËn ËtÉsmÉn] ; 1603 â 10 October 1659) was a Dutch seafarer, explorer, and merchant, best known for his voyages of 1642 and 1644 in the service of the Dutch East India Company (VOC).he original Tasman Map is held in the collection of the State Library of New South Wales. The map shows a general outline of parts of the coastline of Australia. In the foyer of the Mitchell wing at the State Library, the map is reproduced in a marble floor.