Do you use chemicals to find about the immune system and other systems in the human body?

Question: Do you use chemicals to find about the immune system and other systems in the human body?
- Keywords:
  body,
  chemical,
  immune system
Asked by Matterforn to Sian, Max, Francis on 12 Mar 2018.
- Francis Man answered on 12 Mar 2018:
  
  Yes, actually I sometimes design new chemicals to find out specific things about the immune system.
  In general we use a lot of chemicals that allow us to copy in the lab what happens inside the body (to a certain degree).

Question: Do you use chemicals to find about the immune system and other systems in the human body?