A bacteria gets into a human body, see how the immune system fights back.
A teen waits for a friend in an extremely dirty parking lot.
Pathogens were flying through the air
She breathed one in...
First line of defence
cilia line the walls hoping to push out the intruder, and globs of mucus wait to trap the invader.
The invader bypassed the traps and entered the blood stream
The blood knowing the invader entered the forbidden zone, heats up
The girl now has a fever
Our heroes, the white blood cells race to the scene, some use poisoned some, some straight out attack it, and others surround to destroy
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