After atrial contraction is complete, the atrial pressure begins to fall causing a pressure gradient reversal across the AV valves. This causes the valves to float upward (pre-position) before closure. At this time, the ventricular volumes are maximal, which is termed the end-diastolic volume (EDV).
How do I obtain Underage Working Papers in New York State? I'm 16 years old. I got a job at a movie theater for the summer, but they require Working Papers (something they called a green card) in order for me to work, since I'm under the age of 18.
Do I Need Working Papers? So me states require working papers for those younger than 16, while others require them for anyone younger than 18. Some states don't require them at all. The best place to find out if you need working papers is your school guidance office. If you need working papers, the counselors can give you the form you will need to complete or tell you where to get it. How Do I Get Working Papers? If you find out you need working papers, you can get these from your school guidance office.