How do Arabian camels survive for weeks without water?

Experts at the University of Bristol have made a breakthrough discovery that explains how the one-humped Arabian camel can survive for weeks without drinking. The research was focused on the response of the camel's kidneys to the stress of dehydration and rapid rehydration. Camelus dromedarius is believed to have been domesticated 3,000 to 6,000 years ago in the Arabian Peninsula. Here, as well as in the arid and semi-arid regions of North and East Africa and Iran, the camel is the most important livestock animal. The …