9 months ago
Last edited at 6:25AM on 3/6/2013
The other answer is crazy, you get a fever because your white blood cells have to travel really quickly to the area they are needed in the body and that increases the speed of your blood flow as a whole. All of that extra movement causes your body to heat up more than it normally would.
every body has two master cell in the body,when a bad virus enter the body it start attacing all the good cell this process may take from12to 36hrs and your inmmune system beging to colaps sending signal to your body funing nose couph upset stomach fever all good cell in your body are bieng kill this is how start getting sick until the bad virus meet with one of the master cell when they meet the master cell begins to release a full blast of new cell to fight the bad virus all around your body and it don't stop till your body is recover and feeling well.