Answer:
The brain builds up a tolerance to the drug and produces less dopamine when the person uses it, so they will have to use more and more of the drug to feel the same rush of dopamine as they did upon initial usage. Keep in mind that drugs can cause a release of two to ten times more dopamine than natural triggers like eating.
Explanation:
Answer:
Walter Cannon; Hans Selye.
Explanation:
The fight or flight response is generated in the body at the time of the stress condition of the body. The body bring some physiological changes to adapt in the stress condition.
Walter Cannon was the first scientists to discover and explain the phenomena of the flight and fight response. Hans Selye is known as the father of stress and explain the general adaptation syndrome and explain the change in physiological response during stress.
Thus, the correct answer is option (c).
