Both the heart and arteries contract to pump blood throughout the body.
i just took the test and it is true btw.

The first muscles to develop in babies are those in the a. neck. b. trunk. c. arms. d. legs.

Two shoppers bought meat at the supermarket deli. the first shopper bought 3 pounds of meat for $9,87 . the second bought 4 pounds of meat for $16,76. can you tell if both shoppers bought the same kind of meat.

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