THE ABC OF IMMUNITY
The immune system and white blood cells The immune system is the most dynamic indicator in determining our overall health and wellbeing. A very complex and capable network responsible for defending us against germs that are trying to invade us daily, it plays a vital role in keeping us healthy. It is on constant alert to determine what’s friend or foe, what’s foreign and what’s not and then responding accordingly. The immune system is made up of specialised cells, tissues and organs. Important among these are the white blood cells of which there are different types with different life spans, from a...