Electrolytes are nutrients in your body that have important, regulatory functions. An athlete can maintain electrolyte balance by in-taking sodium and potassium.
Oxidative Phosphorylation: Chemiosmosis and the Electron Transport Chain
I suggest the easiest bat to study for your report are Vampire Bats
An element is a pure substance that cannot be broken down by a chemical reaction.
Answer:
Humans have some stem cells, but those cells are not easily available to help with healing. Most other mammals are the same, so they aren't good at regeneration either. Amphibians and some fish have stem cells that are more easily available, and are usually pretty good at regeneration.