PRESENTATION OUTLINE
A friend and I went to the movies. Unfortunately a jerk with the flu decides to come to the movies. He had sat right behind us. He was sneezing everywhere! The bacteria/virus particles spread out trying to find a safe place from the cold air that kills them.
Unfortunately as I took a deep breath the virus had entered through the nostril.
But it's not inside yet. It has to pass through the nose hairs.
If the virus/bacteria bypasses the nose hairs, it travels down to find a throat cell. But the mucus in the throat prevents it from getting in. If the mucus succeeds, the virus/bacteria will travel down to the stomach where it's killed by stomach acid.
But if the mucus fails the virus would burrow its way through the sea of mucus to get to the throat cell. The virus/bacteria has proteins that allows it to impersonate a protein. The cell is fooled and let's the virus/bacteria in.
The virus/bacteria copies itself until where the cell can't contain anymore. The viruses releases and goes out to a new cell to repeat the process. Until the natural killer cells come along.
The natural killer cells patrol the body looking for trouble. It sprays a poison that not only kills the viruses/bacteria
but also kills the throat cell.
Immune cells look for any bad survivors to destroy.
The damage caused by natural killer cells leaves degree of destroyed cells behind. If not disposed of it can choke someone to death. Cells called macrophasians cleans up the degree simply by eating it. The degree that was not picked up is swept away by hairs called cilia to be digested. The macrophasians release smoke signals called interluchens that summons reinforcements. The interluchens weakens the body as a signal to slow down. The interluchens also turns up the natural thermostat up to trick the body into thinking its cold.
The whole human body is put to battle against the virus/bacteria making the person weak. Didritic cell docks with a T cell to find the virus. The T cells launch into their blood stream. Then the T cells attack the viruses/bacteria.
Antibodies attack new born viruses/bacteria.
The infected person coughs to clear the debree throat cells starts to grow back. And cells called memory cells will patrol their bodies forever.
If the virus comes back again the memory cells would destroy it. The only way the virus can attack again is if it mutates itself. Then the person would have the flu over again.
Until that happens your good.