Why do we break the body into “systems” when discussing it? why don’t we just talk about the entire body all at once?

The majority of early psychological research reflected the a. differences among males and females b. concerns and interests of minorities c. differences among various cultures d. concerns and interests of white males select the best answer from the choices provided a b c d

Mini dentist offices prefer preset trays because the use of these trays

Which is the link between heredity and tobacco addiction