Atlas de especies en peligro

Discusses the discovery and escavation of King Tutankhamen's tomb and the myth of the curse that seemed to afflict those involved in the tomb's exploration.

La hemodiálisis es un proceso que consiste en filtrar la sangre del paciente a través de la máquina de diálisis atravesando un filtro de limpieza y volviendo de nuevo al paciente. Los técnicos y auxiliares que trabajan en esta área deben estar familiarizados con el trabajo que allí se lleva a cabo y debe tener bien definidas sus funciones. En la primera parte se exponen los aspectos generales de la hemodiálisis, diálisis peritoneal y las técnicas alternativas. En la segunda parte se plasma los cuidados que se han de llevar a cabo durante todo el proceso. Tema 1: Aspectos generales...

What did people use to buy things before money was invented? Where is money made? Find out in this inviting book that informs readers about coins, paper money, the Federal Reserve, exchange rates, and checking accounts. Featuring a timeline of money's history, detailed photos, stimulating facts, clear, informational text, and a glossary that will assist in improving vocabulary, this Spanish-translated nonfiction title will keep readers engaged from cover to cover.

Looking at POLAND: Did you know that more horses are raised in Poland than in any other European country? Looking at Poland, you will see the steep slopes of the Carpathian Mountains, the patchwork farmland of the central plains, and the crystal-clear lakes that dot the north. Learn about life in Poland, from shipyards to salt mines and from cottages to castles.