1 The portion of the brain that maintains the bodyâs internal balance (homeostasis). 2  The hypothalamus is the link between the endocrine and nervous systems. 3  The hypothalamus produces releasing and inhibiting hormones, which stop and start the production of other hormones throughout the body.
In the mid-19th century the Industrial Revolution began to change Spain. The first railway in Spain was built in 1848 and by the 1860s railways had spread across Spain. Mining and the iron and steel industries in Spain grew in the late 19th century.
The Industrial Revolution began in the United Kingdom and most of the important technological innovations were British. Mechanized textile production spread to continental Europe in the early 19th century, with important centers in France.his second Industrial Revolution gradually grew to include chemicals, mainly the chemical industries, petroleum (refining and distribution), and, in the 20th century, the automotive industries, and was marked by a transition of technological leadership from Britain to the United States and Germany.