Understanding the Immune System in One Video

Understanding the Immune System in One Video immune system Actions for this page Listen; Print The immune system helps our body fight infection White blood cells, lymphocytes and antibodies form part of the defence excretory system Cancer can weaken the immune system by spreading into the bone marrow The bone marrow makes blood cells that help to fight infection This

excretory system All animals possess a primitive system of defense against the pathogens to which they are susceptible This defense is called innate, or natural, immunity and

digestive system By analyzing those stem cells, “what's clear is that the immune system is fundamentally changed after a severe infection like COVID-19,” he says Your immune system responds and eliminates the invaders while the skin heals itself and seals the puncture In rare cases the immune system misses something and