make answer as accurate as possible
A pathogen is a foreign body, bacteria, or virus.
white blood cells
It fights bacteria
white blood cells
To produce antibodies, engulf antigens and produce antitoxin. They do this to protect the body of disease-causing bacteria and viruses.
white blood cells are the fighters of the body. whenever a virus invades the human body, white blood cells fight off the virus
Respiratory tract
you can get sick, you have bacteria, you can get a virus,
It does depend on the type of bacteria or viruses, the spectrum of body reactions to exposure to bacteria and viruses is very large, some of them are actually unimportant of even good for you, we all have colonies of bacteria in our body but they have no effect on our health, so the type of virus or bacteria is the key question
White blood cells and antibodies... (there is more than that though.)
I think it's white blood cells. I forgot what they were called.
Bacteria in the large intestine can produce important vitamins for the body. For example, some bacteria produce vitamin K from eating fiber. Some bacteria also produce vitamin D.