How Important Is a Growling Stomach and What Does It

Multiple Choice

How important is a growling stomach and what does it convey to the brain about hunger?

A) Very important; it conveys to the brain that the stomach is empty and needs to be filled.
B) Very important; it conveys to the brain that glucose levels in the bloodstream are low.
C) Not very important; such movements are only weakly related to hunger.
D) Not very important; such movements reflect digestion of the previous meal.