1 About Kidney Disease Diet Restrictions The job of the body's kidneys is to filter fluids and remove extra waste from the body. 2  When kidneys fail, fluid and wastes can accumulate in the body and be hazardous to youâ¦. About Kidney Disease Diet Restrictions The job of the body's kidneys is to filter fluids and remove extra waste from the body. 2  When kidneys fail, fluid and wastes can accumulate in the body and be hazardous to youâ¦.
The Sahara divides the continent into North and Sub-Saharan Africa. The southern border of the Sahara is marked by a band of semiarid savanna called the Sahel; south of the Sahel lies the lusher Sudan.
  The Sahara desert is in northern Africa, where it occupies parts of Algeria, Chad, Egypt, Eritrea, Libya, Mali, Mauritania, Niger, Tunisia, and Western Sahara.he Sahara is the largest hot desert in the world covering 3.6 milllion square miles, but Antarictica covers 5.5 million square miles and has less than 10 inches of precipitat â¦ ion per year.