Stress can cause the body to tense up as a defense mechanism

This is true if that is what you are looking for.

Explanation:

out of the choices i'd say d the ability to set goals, mainly because to desire to continue you need motivation but it isn't motivation in that part, but setting goals means you have an endgame and you want to reach it which sums up motivation.

you from need your doesn't matter where from is my science exam

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