What 2 defenses do our mucous membranes give us?

What are your best tips for staying focused and staying on task to finish something?

Nina has the flu and a high fever. her immune system is exhibiting the line of defense. this defense is part of immunity.

Tanya is not able to solve a problem because she’s unable to see it from a fresh perspective. which obstacle to problem solving is tanya experiencing? a. fixation b. counterproductive heuristic c. confirmation bias d. overconfidence