Beginning with all chambers of the heart in the "relaxed" phase, describe the cardiac cycle in mammals, with systole and diastole of the atria and ventricles. For each time point in the cycle you select, state the following:. A) Whether the atria and ventricles are contracting or relaxing
B) Whether the AV valves and semilunar valves are closed or open
C) Whether the pressure in the atria and ventricles is high or low.

Passport video produced a video documentary titled the definitive elvis, comprising sixteen one-hour episodes. the producers interviewed more than 200 people regarding virtually all aspects of elvis's life. passport sold the videos commercially for a profit. approximately 5 to 10 percent of the videos were composed of copyrighted music and appearances of presley on television and in movies owned by copyright holders other than passport. passport did not obtain permission to use those copyrighted works. elvis presley enterprises, inc., and other companies and individuals that owned copyrights to the presley works used by passport sued passport for copyright infringement. passport defended, arguing that its use of the copyrighted materials was fair use. the u.s. district court held in favor of the plaintiff copyright holders and enjoined passport from further distribution of its documentary videos. passport appealed.did passport act ethically in including the elvis presley copyrighted material in its video? why do you think passport video did so? has there been fair use in this case, or has there been copyright infringement?

Aresearcher is studying women recently admitted to a state prison. all potential subjects must have children under the age of five. research subjects will be given a basket of toys to use at their children’s first visit that the children can then take home. in assessing this proposal, the irb needs to determine that the toys are: age appropriate.not an excessive incentive.educational.of high quality.

Why did lincoln inform the confederacy that he would not e sending troops or weapons as food supplies were sent to fort sumter?