White blood cells
No. Only white blood cells destroys pathogens, such as viruses.
Proper sanitation controls and reduces pathogens. It doesn't necessarily destroy them.
the immunes system i found out of my teacher
secreting acid that destroys potential pathogens that are swallowed
The immune system plays an important role in the body's defence mechanisms. It destroys and eliminates the pathogens that invade our bodies.
White blood cells protects us (humans) by preventing pathogens from entering the body.