Related Clues:

• Gives one a breather in 26 across depending on how you look at it?
• Separating membrane in the body
• Inspiration will bring one down
• Muscle that controls breathing
• Doctored graph stopping virgin on the rebound getting contraceptive
• Muscular partition between thorax and abdomen
• Thoracic division
• Muscle of respiration
• Helper turned to describe complicated graph for birth control
• Muscular structure used when breathing