Question

whar are pathogens? And what it causes

Answer 1

Pathogens are unwanted harmful microorganisms which when enter the body cause harmful diseases.
Examples of pathogens are Salmonella and E . coli.

Answer 2

pathogens are microorganisms-such as bacteria and viruses that cause diseases .bacteria release toxins and viruses damages our cells.WBC can ingest and destroy pathogens.