What process releases the vital fluid that sustains a jerboa internally?

Answer

The chemical breakdown of complex carbohydrates and fats during digestion releases metabolic water.

When a jerboa digests dry seeds, the chemical breakdown of the complex carbohydrates and fats within that food releases metabolic water as a byproduct.

What process releases the vital fluid that sustains a jerboa internally?
mammaldrinkdesertrodentJerboa