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.
For Barnes and Nobles careers, an applicant must be 16 years of age. If an applicant is 16 or 17, they may also need working papers. This can be checked out with the department of labor for details about the minimum age requirement to obtain working papers.