8 FOODY FACTS ABOUT THE DIGESTIVE SYSTEM!
FACTS ABOUT THE DIGESTIVE SYSTEM 1. It remembers microbes it has defeated The main function of the immune system is to protect our body cells against infections and diseases through its network of cells, proteins, and organs. It does this by keeping history in the memory cells of every defeated microbe. This means the immune system can recognize and kill the microbe immediately if it tries to enter the body again. When your body is attacked by a virus, fragments of it, known as antigens, get deposited in the lymph nodes. Immune system cells known as T-cells focus on these specific cells after you have recovered, establishing immunity against pathogens and antigens you encounter regularly. 2. It’s made up of both innate and adaptive systems Your innate immune system is your in-built defense armor against germs and foreign substances. Some examples include: Mucus (traps small particles and bacteria) Skin Cough reflex Stomach acid Enzymes (found in skin oils and tears) If antigens a...