One example of a simple reflex arc involves the

One example of a simple reflex arc involves the
  a. contraction of a muscle when it is stretched.
  b. conscious message to move part of the body.
  c. receptor, the brain, and the effector.
  d. muscle action in a salute when a
  noncommissioned combatant sees an officer.
  e. contraction of an antagonistic muscle when its
  opposite muscle relaxes.

Question 2

The most ancient paths of information flow are
  a. located in the midbrain.
  b. reflex arcs.
  c. found in the lower part of the brain.
  d. found in the autonomic nervous system.
  e. the circuits from sense receptors to the brain.