They have hair in their ears...
...to keep out the sand and dust!
They can close their nostrils...
... to keep out sand and dust
They have thick, leathery pads on the knees...
... to protect them from the hot sand when they kneel to rest
They have thick fur...
...to regulate their body temperature
They have two rows of long eyelashes...
... to keep out sand and dust!
They have a large and tough mouth...
... to allow them to eat thorny, desert plants!
They store large amounts of water in their stomach...
... to allow them to go for days without drinking any water!
They have long legs...
... to keep their body away from the hot sand
They have wide, flat, padded feet with two toes...
... to help them walk on the sand without sinking
They store fat in their humps...
... to use it when food is scarce