The American Physiologist Walter B. Cannon

The American physiologist Walter B. Cannon:

A) described the fight-or-flight response, which involves the sympathetic nervous system and the endocrine system.
B) proposed the cognitive appraisal model of stress.
C) described the three-stage response to prolonged stress called the general adaptation syndrome.
D) conducted research on explanatory style and the role it plays in stress, health, and illness.