Reаd the fоllоwing questiоn. Insteаd of writing down the аnswer to the question, speak out loud while looking at the camera. Your answer should begin within 15 seconds. Do not look away from the screen while answering. When you are finished with your answer, then move to the next question. There is no need to type anything into the text box. How is the 3rd line of host defense fundamentally different from the 1st and 2nd lines of host defenses?