Which substances are contained in saliva and tears to break down pathogens

Jenna stood in front of the closed door. she knew she hadevery right to be here. your exam scores are just as high ascora's, she said to herself. there's no reason you shouldhave been left off the math team while cora was namedcaptain. she had never been one to rock the boat, but shecouldn't just let this lie. she pushed the door open and saw ms. jenson, the mathteam advisor, sitting at her desk. "ms. jenson? can i talk toyou for a minute? " her voice wavered, but she tried to lookconfident."sure," said ms. jenson, "but i hope this isn't about namingcora captain of the math team. i'm afraid my decision isfinal."jenna took a deep breath and prepared to plead her case. which statement best describes the external conflict in this passage?

Used for an event that has been completed before the present moment in time. simple past past perfect perfect progressive past perfect progressive

He leaned his head against the wall; his eyes were shut, his hands clasped in each other, and his body seemed to be sustained in an upright position merely by the cellar-door against which he rested his left shoulder. the lethargy into which he was sunk seemed scarcely interrupted by my feeling his hand and his forehead. his throbbing temples and burning skin indicated a fever . . there was only one circumstance that hindered me from forming an immediate determination in what manner this person should be treated. my family consisted of my wife and a young child. our servant-maid had been seized, three days before, by the reigning malady, and, at her own request, had been conveyed to the hospital. we ourselves enjoyed good health, and were hopeful of escaping with our lives. our measures for this end had been cautiously taken and carefully adhered to. they did not consist in avoiding the receptacles of infection, for my office required me to go daily into the midst of them; nor in filling the house with the exhalations of gunpowder, vinegar, or tar. they consisted in cleanliness, reasonable exercise, and wholesome diet. who is the story’s first-person narrator