My innate immunity power point covers the first and second line of defense. I made it for my AP biology class, however it can definitely be used for any level of high school biology. It includes very detailed animations on the inflammatory response and phagocytosis. I spent hours making the graphics move in a way that clearly demonstrates the inflammatory response. It also includes built in think-pair-share questions to check for understanding. Topics covered include: Skin, mucous membranes, lysozyme, phagocytes, inflammation, phagocytosis, chemokines, histadines (can be deleted for lower levels of biology).
I hope this power point makes your life easier!