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familiar - adj. used to say that something is easy for you to recognize because you have seen, heard, or experienced it many times in the past
feature - n. a part of the face (such as the eyes, nose, or mouth)
reflexive - adj. happening or done without thinking as a reaction to something
incredibly - adv. extremely good, great, or large
reveal - v. to make (something) known
detect - v. to discover or notice the presence of (something that is hidden or hard to see, hear, taste, etc.)
degree - n. an amount or level that can be measured or compared to another amount or level
