The behavioral activation system is associated wit PLEASANT MOOD. Behavioral activation system is neuro-behavioral system that control positive affect and stimulate appropriate behaviors in response to rewards based on personality factors. The system is associated with low to moderate arousal, pleasant mood and tendency to approach new objects.
Depression
Schizophrenia
Obsessive–compulsive disorder
Bipolar disorder
Eating disorder
Anxiety disorders
Im gonna D because its the only one that actually sounds helpful so makes the lungs able to fill more completely etc, etc
Answer 3 would probably be right