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.
Age and hours of work. A minor less than 16 years of age. A minor less than 16 years of age may not work: before 7 a.m. or after 9 p.m.* with the exception of a newspaper carrier; for more than 40 hours a week or more than eight hours per 24-hour period*, except in agriculture;