    seiteiée 12'the skill 1 then punctured’; the. brain  suctioned out:-and thiat causes the skull ro.colapse $0 it  eaiibe re maued from thebirthvednal, Seda    Sentence 2: The, skull is then punctured and the bralis  “sintianed out , causing the: skull'0. collapse avd easing,    passage through the birth canal    