The terms to their definition. 1.carcinogenexisting from birth
2.congenitalhormone secreted by the pancreas which helps change glucose into energy
3.insulinany substance that causes cancer

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

airlines i think? or a cruise boat? does this work out for u? ?

well, i believe that the answer is 2. : 3