Which statement about muscles is true? a. cardiac muscles are voluntary b. skeletal muscles are involuntary c. all muscles move involuntarily d. skeletal muscles move in pairs

List three reasons people may begin using tobacco

Select all of the possible methods of aids transmission.

The nature–nurture issue refers to the debate over the relative contributions that make to the development of psychological traits. a. introspection and nerve cell activity b. unconscious and conscious motives c. behavior and mental processes d. genes and experience