Pathogens may be defined as the organism that have the ability to cause disease in the organism. The organism that can acts as pathogens are bacteria, virus, fungus.
Pathogens has the ability to evade the immune response of the host organism. The pathogens release specific chemicals or substances that cause disease in the host organism.
<span> water is a solvent. It helps to break waste and nutrients down in the </span>cell so <span>that they can be moved through the various membranes. this is necessary in a cell </span><span />