Camels can survive for a week without needing to have a drink. How do they do it? They believed, in their humps, The humps on camels back contain fat This fat is source of food for the camels when there is nothing source on to live on.
The fat contains water too, and when the camel’s body digests the fat its water too, and when the their digests the fat its water is extracted. Just as the receive of fat, they have pouches in their stomachs where water is also stored. They call on these small reserves when in emergencies