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 the third largest desert in the world. It is  also the world's hottest desert. The countries it covers include  Algeria, Chad, Egypt, Libya, Mali, Mauri â¦ tania, Morocco, Niger,  Western Sahara, Sudan, and Tunisia. The two largest deserts in Africa are the Sahara in northern Africa and the Kalahari in southern Africa.       The Sahara Desert covers 3,500,000 miles. It is the largest desert in the world. The name Sahara comes from the Arabic word for desert.