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.
According to our research of California and other state lists there were 23 registered sex offenders living in Diamond Bar, California as of October 06, 2015.The ratio of number of residents in Diamond Bar to the number of sex offenders is 2,451 to 1.The number of registered sex offenders compared to the number of residents in this city is a lot smaller than the state average.he ratio of number of residents in Diamond Bar to the number of sex offenders is 2,451 to 1.