IMMUNOLOGY

Detailed explanation-1: -The immune system is a complex network of organs, cells and proteins that defends the body against infection, whilst protecting the body’s own cells. The immune system keeps a record of every germ (microbe) it has ever defeated so it can recognise and destroy the microbe quickly if it enters the body again.

Detailed explanation-2: -Organs and tissues. Organs and tissues important to the proper functioning of the immune system include the thymus and bone marrow, lymph nodes and vessels, spleen, and skin.

Detailed explanation-3: -Did you know that 70% to 80% of our immune system is found in our digestive tract? That is very important since most of what goes into the body enters via the stomach verses through our lungs or skin. It makes sense that most of our immune system resides in our gut.

Detailed explanation-4: -The main job of the innate immune system is to fight harmful substances and germs that enter the body, for instance through the skin or digestive system. The adaptive (specific) immune system makes antibodies and uses them to specifically fight certain germs that the body has previously come into contact with.