whashing offten
one way is the nose ,the hair and the mucous in a person's noes prevents microbes from getting in by trapping them.
White blood cells
the diesease microbes stick to it before it enters the body!
your stomach acids fight it off and they kill the microbes. in a way this is good and bad because if it kills the bad microbes then it kills the good microbes in our body aswell!
Eat beans and fart regularily. Honestly , there's a constant exchange of microbes, bacteria, fluides and gasses between the insides and outsides of your body. A couple of microbes will not change a thing if your immune system is not compromised ...
poo head
You can minimize the risk of microbes entering your eyes by wearing protective eyewear, such as safety glasses or goggles, particularly in settings where there is a higher likelihood of exposure to harmful microorganisms. Additionally, practicing good hand hygiene, avoiding touching your face with unwashed hands, and keeping your hands away from your eyes can also help prevent microbial entry.
Eyebrows Use is to stop sweat from getting in your eyes
Yes.
They do not stop it but the mucus and motion of the cillia remove said microbes and dust should they get into the lungs.
to stop dust snow and other thing getting in your eyes
Antisepsis is the use of chemical substances that slow down or even stop the multiplication of microbes in a wound for example,while sparing the body cells