Nact 1, what seeds of conflict exist between rebecca nurse, reverend parris, and the putnams

There is conflict because of the events that transpired in the woods. If it was witchcraft, Parris is very uneasy about it and does not want his own reputation to be ruined. Because his niece was involved, he is building conflict with the Putnam's and also the nurse regarding this issue.

Pulmonary vein carries the oxygen rich blood from the lungs to the left atrium