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.
Spain became part of the Roman Empire in the 2nd Century BC. Spain provided the Romans with food, olive oil, wine and metal, while the Romans supplied the Spain with Latin, religious belief and laws. The Moors arrived in 711 AD from North Africa and managed to take control of Spain within a few years.