Starving affecting process on..

 1. Fat from depot transfer in blood.

2. Fatty liver infiltration.

3. Acetonic antibodies.

4. Destroying for acidity-alkaline balance.

5. Weakness.

 6. Sleepiness.

7. Arterial pressure falling.

8. Tachycardias.

9. Extrasystolic.

As on the long starving organism using on begin reserve fats. A that happening in organism, in an entering in blood a much fat quantity from depot, schematically showed on this image. If you are keeping starving, organism consumes and own proteins. That is leading  to hard exhaustion, and tragically result.