Kenny and his brother have nearly identical eating and exercise habits,yet Kenny is obese and his brother is very thin. The MOST LIKELY explanation for the difference in their body weights is that they differ in

A) their bone structure.
B) amygdala activity.
C) their set points and their metabolic rates.
D) their exposure to carbohydrate-laden foods.

Set Points

refer to the theory suggesting that each person's body weight is regulated around a genetically determined range or point.

Metabolic Rates

The rate at which the body uses energy, influenced by factors such as age, gender, muscle mass, and physical activity.

Amygdala Activity

Refers to the function or actions within the amygdala, a brain structure involved in processing emotions such as fear, anxiety, and aggression.