Question

breathe
  in, out

Accepted Answer

1 to
  cause air to enter or leave the lungs by breathing:He couldn't breathe in
  until he reached the surface. 2 to cause ( a gas, particles of dust etc) to
  enter or leave the lungs by breathing: The workers had breathed in large
  quantities of poison gas.

Breathe Enter Leave Lungs Air Breathing:He Reached Surface