They protect the skin from attacks by predators, parasites and other injuries.
The energy role of a grizzly bear is that of a consumer because it cannot make its own food.
Antibiotics are usually what can help. Depends what kind of infection you get and how severe it is.
Cells<span> need a source of </span>energy<span>, they </span>get<span> this </span>energy<span> by breaking down food molecules to release, the stored chemical </span>energy.This process is called 'cellular<span>respiration'. The process is happens in all the </span>cells<span> in our body. Oxygen is used to oxidize food, main oxidized food is sugar(glucose).</span>
