its so you can lick my cheese under my bed.
Our bodies are designed to work efficiently within a narrow temperature 'window'. Prolongued exposure to excessive heat or cold triggers the body's defence mechanism - which tries to fight an imaginary 'invader'.
They fight bacterial infections.
A white blood cell produces anti bodies to fight pathogens.
No, either the female is in heat and will accept the male, or it will repel him as it would any other invader into her territory.
anti-bodies
no - invader snoflake
Napoleon was a famous invader.
naruto does fight and more or less destroys all six bodies, it's a wicked fight.
Invader Zim was from the planet Irk .
Invader - artist - was born in 1969.
The Galaxy Invader was created in 1985.
Lum Invader was created in 1978.