How many rats escaped from nimh?

In the novel _Mrs. Frisby and the Rats of NIMH_, a total of 11 rats escape from the National Institute of Mental Health (NIMH). The rats are Mrs. Frisby, her four sons, NIMH, Jeremy, Justin, and Terry; Nicodemus, the laboratory's former director, and his daughter Teresa; their friend Jenner, and two young rats, Martin and Alexander.

How does a specific organ in animal work?
In operant conditioning the stimulus is behavior of animal and response which influences whether or not likely reoccur can be under human control-true false?