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Through endocytosis. They exit through exocytosis.
it goes through the trachea/windpipe into your lungs and back out
Diffusion
the white blood cells sorround the bacteria
Pathogens (bacteria and viruses that cause disease) can enter the body through various passages. Skin provides good protection against entry from pathogens so your vulnerable areas are your eyes, nose, mouth, ears and open wounds. Your (unwashed) hands can deliver pathogens to these areas. Airborne pathogens will enter through the mouth or nose as you breath them in. Pathogens in food will enter through your mouth into your digestive system. Pathogens can also enter through "vectors" directly into the blood stream - through mosquitos, fleas, ticks or contaminated needles, for example. It is important to remember that the body has many natural defenses to prevent pathogens entering the body, such as blood clotting at wounds, and enzymes in the eyes, nose and mouth that break down harmful bacteria.
Perhaps...
the main way that they enter is through our skin, but sometimes they enter through our eyes, nose, ears and many other parts of our body
They get into your body through raw food.
Through your MOUTH and your NOSE.
NO
Inhilation Cuts or mucous membranes Ingestion of food and water
To allow the air to enter the body. The air can enter through either the nose or through the mouth.
Toxicology
A microorganism that can cause fungal infections can enter the body through means such as inhalation and broken skin.
Airborne Aspergillus spores enter the body primarily through inhalation but can also lodge in the ear or eye
Through endocytosis. They exit through exocytosis.
A germ enters a body by going through all your bodies defences