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Once the food source is gone, the microbes die off.
There are white blood cells in the blood, and they can fight off infections.
An example of a protein that helps fight off infection is antibodies.
White Blood cells are the cells that fight off diseases, viruses, or other unhealthy foreign contaminants.
The brick itself doesn't have any DNA but there undoubtably are bacteria and other microbes on it that do have DNA.
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!
They fight infections, and protect our body from foreign particles.
The reason people get ill is in fact because microbes which is bacteria or viruses in the air, in sexual organs or on the skin get into your body and begin to kill off your cells. Your white blood cells produces anti-bodies to fight off the microbes.
Good bacteria aid in the digestion of food and also help fight off invading microbes.
A larger number of microbes increases the risk that you will be infected. Your immune system may be able to fight off a smaller number, but a large number may overwhelm your defenses.
Once the food source is gone, the microbes die off.
Yes. That is what the immune system is for. Depending on the parasite however, it may not be fought off but foreign bodies often trigger an immune response.
There are white blood cells in the blood, and they can fight off infections.
The microbes that are heterotrophic organisms are those that don't produce their own food. Instead, they feed off of autotrophic organisms or other heterotrophs.
There are many types of white blood cells. They all fight the same thing: foreign material. Learn more at this link: http://en.wikipedia.org/wiki/White_blood_cells#Overview_table
The immune system certainly does recognize germs and other foreign bodies. The immune system will then try to fight them off.
infections getting into your body such as various diseases