The Scientific Electronic Library Online - SciELO is an electronic library covering a specific collection of Brazilian scientific journals. Brazilian legislation is based on the civil regulation legal system 198 and civil legislation ideas prevail over frequent regulation follow. The country has an extensive rail network of 28,538 kilometres (17,733 miles) in length, the tenth largest community on this planet.

188 Brazil's Amazon Basin is residence to an especially various array of fish species, including the purple-bellied piranha Regardless of its popularity as a ferocious freshwater fish, the crimson-bellied piranha is definitely a generally timid scavenger. The political-administrative organization of the Federative Republic of Brazil contains the Union, the states, the Federal District, and the municipalities.

The states and the federal district could also be grouped into regions: Northern , Northeast , Central-West , Southeast and Southern Umanizzare The Brazilian areas are merely geographical, not political or administrative divisions, and they do not have any specific form of government.