Answer:
blood glucose level has dropped
Explanation:
Hunger: The term "hunger" is described as an individual's urgent need or craving for a specific nutrient or food. Hunger reflects an uneasy sensation that is being occasioned due to lack of food because the meal that a person has was not enough to satisfy his or her hunger.
Because of hunger an individual often feels decreased in his or her blood glucose level and is also referred to as "hypoglycemia".
In the question above, one of the reasons for Jason's hunger is that his blood glucose level has dropped.