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.
no; considered most major because it divides africa into two seperate regions, is largest desert in world , acted as barrier which made southern africa less developed; however, namib and kalahari are big too and namib is actually dryer than sahara; the sahara desert kept Africa relatively isolated from the rest of the world until the 1400s (so hard to live in and travel across)