Question

The purpose of the first line of defense is to:Select one:a.recognize foreign invadersb.produce an inflammatory responsec.keep pathogens from entering the bodyd.kill anything that doesn’t belong in the body

Answer 1

As we know the immune system is a complex of cells, tissues, and organs working together to avoid disease, now there are several types of defense, the most simple and first to act are physical barriers like skin or hairs, this stop physically the advance of pathogens, therefore we can say that the correct answer is option C.