Teachers change lives. However, after watching her father, a dedicated educator, grade papers from his hospital bed prior to his passing away, a grieving daughter has shared a plea to other families to help their loved ones of the same profession set boundaries. “This is my dad Alejandro Navarro, the day before he passed away, worried about finalizing grades for progress reports,” Sandra A. Venegas posted on Facebook on Dec. 17, along with a picture of her ailing dad at the hospital bed. “He knew he was going to the ER, so he packed his laptop and charger so he could enter them.” Doctors came and went, she said, running tests and asking her father what to do in case of the event his heart stops beating. “He’d answer their questions and resume with grades,” she said. Venegas is a mom of two who had last spent time with her …