The immune system fights off the pathogen by Leukocytes also known as white blood cells. When a pathogen enters the body the immune system becomes alert to it and sends out sends out the Phagocytes (a type of Leukocytes) which engulfs the pathogens.
I think it’s probably the 3rd answer it gives the patient an opportunity to add more detail
I know its kidneys but idk the second blank nothing makes sense
Small bean shaped organs called kidneys help clean the blood
