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, which took place from the 18th to 19th centuries, was a period during which predominantly agrarian, rural societies in Europe and America became industrial and urban. Prior to the Industrial Revolution, which began in Britain in the late 1700s, manufacturing was often done in peopleâs homes, using hand tools or basic machines. Industrialization marked a shift to powered, special-purpose machinery, factories and mass production.