The immune system explained

Immune system Illnesses, deficiencies and disorders of the immune system Allergies Learn more about allergies and their symptoms and treatments · Anaphylaxis

Cancer can weaken the immune system by spreading into the bone marrow The bone marrow makes blood cells that help to fight infection This

muscular system IMMUNE SYSTEM definition: 1 the cells and tissues in the body that make it able to protect itself against infection 2 the… Learn more

lymphatic system The immune system responds to antigens by producing cells that directly attack the pathogen, or by producing special proteins called antibodies Antibodies