A. Watch the following videos and study the materials
Body’s first line of defense (7 min, by Science ABC, 2018) (Links to an external site.)
Innate Immune defense (9 min, by CrashCourse, 2015) (Links to an external site.)
Immunity against bacterial infections (7 min, by Kurzgesagt, 2014) (Links to an external site.)
B. Post a paragraph discussing how innate immunity protect our body against infectious microorganisms focusing on ONE of the mechanisms explained in videos (5 pts):
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