Immune Health Quiz By Vincent Stevens March 2, 2020 Immune health is trending! There are so many posts about how to prevent this and why you should disinfect that, but so many people are unaware of what the immune system does. How well do you know your immune system? Test your knowledge here!What does vitamin C do for the immune system? It keeps you from getting a cold. It shortens the duration of your cold. It doesn't really do much for your cold. What is a pathogen? A microorganism that causes disease. A strange looking mark on your skin. A microorganism that fights disease. What is the best way to kill germs on your hands? Use hand sanitizer on the regular. Wash your hands with soap and water. They are both effective. How long can the flu virus live on surfaces around you? A couple minutes 30 minutes to an hour 2-8 hours True or false: your immune system weakens as you age. True FalseNameEmail Share: