
Homeostasis refers to a system's ability
to regulate its internal ENVIRONMENT.
The Big Bang Theory Season 6, Episode 2

It provides information
from the ENVIRONMENT
The Big Bang Theory Season 9, Episode 15

...who is steady in the face of danger,
so I recommend an unsafe ENVIRONMENT.
The Big Bang Theory Season 6, Episode 18

...in a reward-based ENVIRONMENT?
The Big Bang Theory Season 8, Episode 23

...you should know fanning yourself in a humid
ENVIRONMENT raises your body temperature.
The Big Bang Theory Season 8, Episode 6