Salivation, secretion of digestive juices, and blood flow to the gastrointestinal tract are governed by the __________ nervous system.

Reference groups present a set of ________, or standards, against which adolescents can judge their abilities and social success

A) rules B) roles C) norms D) references

__________ is a major cause of late-life disability and, after age 75, death

A) Type 2 diabetes B) The flu C) Stroke D) Arthritis