Which of the Following Statements Are True of Movement (Select

Which of the following statements are true of movement (Select all that apply) ?

A) The respiratory system brings oxygen into the body.
B) The skeletal system moves the muscles.
C) The circulatory system removes CO2 from the muscles.
D) The nervous system provides impulses to stimulate muscle contraction.
E) Voluntary movement is completely dependent on nerve impulses.
F) If breathing stops,lack of oxygen makes movement impossible after 20 to 30 seconds.