Which of the following substances is released from the intestines, causes eating to cease, and shows promise in the treatment of obesity?

The human spine may contain gates that actually block pain in some individuals, which is why some people are less sensitive to pain than others

Indicate whether this statement is true or false.

Your grandmother tells you about how things were in the "Old Country" when she was a child before she moved with her family to the United States. Your grandmother's recollections of cultural information are examples of her ____

a. fluid intelligence b. crystallized intelligence c. cognitive overload d. CPU speed