The following definitions are applicable to this chapter:
1. "Act" means a bodily movement.
2.  "Voluntary act" means a bodily movement performed consciously as a
  result of effort  or  determination,  and  includes  the  possession  of
  property  if  the  actor was aware of his physical possession or control
  thereof for a sufficient period to have been able to terminate it.
3. "Omission" means a failure to perform an act as to which a duty  of
  performance is imposed by law.
4.  "Conduct"  means  an  act  or omission and its accompanying mental
  state.
5. "To act" means either to perform an act or to omit  to  perform  an
  act.
6.  "Culpable  mental  state"  means "intentionally" or "knowingly" or
  "recklessly" or with "criminal negligence," as these terms  are  defined
  in section 15.05.