with your tears
close your eyes
befwlbwl
no cells are assigned jobs of preventing the microbes from entering the body (is this accurate)but when they do enter the immune system fights them off. Some ways of keeping microbes out of the body are sneezing and coughing
Increasing the amount of light entering the eyes causes the pupils to contract. Think about it, if someone shone a flashlight into your eyes, wouldn't you try to shield them?
This would be the iris.
because cotton plugs permits the air to enter the culture medium but it traps the dust & other micro orgs from entering
they kill them!
They do not stop it but the mucus and motion of the cillia remove said microbes and dust should they get into the lungs.
White blood cells
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.
the diesease microbes stick to it before it enters the body!
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 ...
Microbes such as Bacteria & Viruses entering the bloodstream
poo head
Your immune system.
Skin prevents microbes from entering your body...
your iris contract to stop lights entering the pupil/preventing you from going blind.
You can not. These organs have outlets to the outside and they can not be kept sterile. Your body does try to remove things by making mucous which more or less traps things like bacteria and even pollen and sweeps them away.