Due will mark as brainliest if answered 1. when did the 911 pst certification requirement take effect? 5. what are some reasons for supervisory notifications?

1. October 1st 2012
2. Some reasons include: it’s important to notify supervisor during significant incidents which may impact field unit citizens or communication center. Agency protocols will dictate the specific notifications which must be made. Failure to make notifications can jeopardize public and response safety. Some reasons for notifications include : 1. notifying the appropriate chain of command for agency policy 2.requesting additional resources in response to significant incidents. 3.reporting violent incidents in the workplace for facilitating situational awareness among others .5. passing on information to other shift supervisors coworkers etc.

1.controls blood flow2.controls oxygen flow3.carries oxygen rich blood to veins

Accessibility would be the correct answer