Babies need fat so they can gain a little weight. With fat free milk the baby can't get the fat it needs to be healthy.
Because it is flexible. Think about it; the ribs protect both the lungs and the heart. If the ribs were solid bone all the way around then unless you constantly break your ribs you wouldn't be able to expand the cheat to breath. Additionally your lungs would constrict the heart to a degree that it would function properly.
A Charity unless you are talking about the name of an organization then try UNICEF.
Literally frostbite is the term that is used to describe an area of tissue with that has lost the ability to function due to not having much blood flow due to to a extreme low in temperature. If you begin rubbing a frostbitten section you could of course exaggerate the severity of the wound by breaking the fragile area and forming wounds to which bacteria enter. Additionally you could start influencing blood flow into the area which could then start the process of gangrene (decay), which could bring toxic byproduct of the decay into the body, which could begin shutting down your body starting from the kidneys... A common disease from something like this is rhabdomylosis.
The glycemic index predicts the way certain foods affect blood sugar levels.
