Yes, it lacks a circulatory system. It diffuses oxygen directly into its cells and diffuses carbon dioxide back out. That mechanism is why planarians need to keep their skin m â¦ oist. On land, planarians secrete a thin layer of mucus to make diffusion easier.
Diamond Bar is a city in eastern Los Angeles County, California, United States. The population was 55,544 at the 2010 census, down from 56,287 at the 2000 census. It is named after the diamond over a bar branding iron registered in 1918 by ranch owner Frederick E. Lewis.
The Finsch diamond mine, located near Lime Acres, 160km northwest of Kimberley, is one of seven operations managed by De Beers Consolidated Mines (DBCM), formed in July 2004 as the wholly owned South African mining subsidiary of Luxembourg-based DB Investments / De Beers SA.