What are “pathogens” and how does our immune system deal with

immune system Six ways you can help your immune system: Good hygiene, vaccination, food safety, healthy travel, clean water and safe sex

Cancer can weaken the immune system by spreading into the bone marrow The bone marrow makes blood cells that help to fight infection This succubus system The immune system protects the body against infection and disease It is a complex and integrated system of cells, tissues, and organs that has specialized