Are defined by an absence of a particular response.
a. positive symptoms
b. delusional symptoms
c. negative symptoms and. disorganized symptoms

Negative symptoms take place when there is a lack of a particular response in the system. With regards to our immune system, it is very essential that our body needs to respond against the pathogens attacking our cell. The response would result to the production of antibodies that would help eliminate these threats.  

Ci want to say is right